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15330145041440 = 255238394965197
BaseRepresentation
bin1101111100010101001111…
…0110010111110000100000
32000021112210011111011210222
43133011103312113300200
54002132114112311230
652334323231342212
73141365166556235
oct337052366276040
960245704434728
1015330145041440
114980529246669
121877102681968
1387281b4973c8
143adda941978c
151b8b8b54c6e5
hexdf153d97c20

15330145041440 has 96 divisors (see below), whose sum is σ = 37837192055040. Its totient is φ = 5858454621184.

The previous prime is 15330145041439. The next prime is 15330145041457. The reversal of 15330145041440 is 4414054103351.

It is a self number, because there is not a number n which added to its sum of digits gives 15330145041440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604922 + ... + 5570118.

It is an arithmetic number, because the mean of its divisors is an integer number (394137417240).

Almost surely, 215330145041440 is an apocalyptic number.

15330145041440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15330145041440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18918596027520).

15330145041440 is an abundant number, since it is smaller than the sum of its proper divisors (22507047013600).

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

15330145041440 is a wasteful number, since it uses less digits than its factorization.

15330145041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966074 (or 4966066 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 15330145041440 its reverse (4414054103351), we get a palindrome (19744199144791).

The spelling of 15330145041440 in words is "fifteen trillion, three hundred thirty billion, one hundred forty-five million, forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 839 920 1678 1840 3356 3680 4195 6712 8390 13424 16780 19297 26848 33560 38594 67120 77188 96485 134240 154376 192970 308752 385940 617504 771880 1543760 3087520 4965197 9930394 19860788 24825985 39721576 49651970 79443152 99303940 114199531 158886304 198607880 228399062 397215760 456798124 570997655 794431520 913596248 1141995310 1827192496 2283990620 3654384992 4165800283 4567981240 8331600566 9135962480 16663201132 18271924960 20829001415 33326402264 41658002830 66652804528 83316005660 95813406509 133305609056 166632011320 191626813018 333264022640 383253626036 479067032545 666528045280 766507252072 958134065090 1533014504144 1916268130180 3066029008288 3832536260360 7665072520720 15330145041440