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245343240453030 = 235317115972326633
BaseRepresentation
bin110111110010001101101100…
…101100011111101110100110
31012011200120210021010211102120
4313302031230230133232212
5224124200424023444110
62225445043444250410
7102451315133012646
oct6762155454375646
91164616707124376
10245343240453030
11711a0536172575
12236251b69a0a06
13a6b89cac62385
1444829676b0526
151d56e19db2870
hexdf236cb1fba6

245343240453030 has 128 divisors (see below), whose sum is σ = 616765136265216. Its totient is φ = 62383518489600.

The previous prime is 245343240452951. The next prime is 245343240453037. The reversal of 245343240453030 is 30354042343542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245343240453037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104286594 + ... + 106613226.

It is an arithmetic number, because the mean of its divisors is an integer number (4818477627072).

Almost surely, 2245343240453030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245343240453030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308382568132608).

245343240453030 is an abundant number, since it is smaller than the sum of its proper divisors (371421895812186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245343240453030 is a wasteful number, since it uses less digits than its factorization.

245343240453030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328342.

The product of its (nonzero) digits is 2073600, while the sum is 42.

Adding to 245343240453030 its reverse (30354042343542), we get a palindrome (275697282796572).

The spelling of 245343240453030 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred forty million, four hundred fifty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 71 93 142 155 186 213 310 355 426 465 710 930 1065 1597 2130 2201 3194 4402 4791 6603 7985 9582 11005 13206 15970 22010 23955 33015 47910 49507 66030 99014 113387 148521 226774 247535 297042 340161 495070 566935 680322 742605 1133870 1485210 1700805 2326633 3401610 3514997 4653266 6979899 7029994 10544991 11633165 13959798 17574985 21089982 23266330 34899495 35149970 52724955 69798990 72125623 105449910 144251246 165190943 216376869 330381886 360628115 432753738 495572829 721256230 825954715 991145658 1081884345 1651909430 2163768690 2477864145 3715632901 4955728290 5120919233 7431265802 10241838466 11146898703 15362757699 18578164505 22293797406 25604596165 30725515398 37156329010 51209192330 55734493515 76813788495 111468987030 115184619931 153627576990 230369239862 263809935971 345553859793 527619871942 575923099655 691107719586 791429807913 1151846199310 1319049679855 1582859615826 1727769298965 2638099359710 3455538597930 3957149039565 7914298079130 8178108015101 16356216030202 24534324045303 40890540075505 49068648090606 81781080151010 122671620226515 245343240453030