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245343431423202 = 237172911848905217
BaseRepresentation
bin110111110010001101111000…
…000100111111010011100010
31012011200121021120111010020220
4313302031320010333103202
5224124201321421020302
62225445114425343510
7102451322642151210
oct6762157004772342
91164617246433226
10245343431423202
11711a0623a48262
122362524a937b96
13a6b8a2b6a7588
144482984bc1cb0
151d56e2ba364bc
hexdf237813f4e2

245343431423202 has 64 divisors (see below), whose sum is σ = 614247246501120. Its totient is φ = 63699714441216.

The previous prime is 245343431423201. The next prime is 245343431423203. The reversal of 245343431423202 is 202324134343542.

It is an interprime number because it is at equal distance from previous prime (245343431423201) and next prime (245343431423203).

It is a super-2 number, since 2×2453434314232022 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (245343431423201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5924431903 + ... + 5924473314.

It is an arithmetic number, because the mean of its divisors is an integer number (9597613226580).

Almost surely, 2245343431423202 is an apocalyptic number.

245343431423202 is an abundant number, since it is smaller than the sum of its proper divisors (368903815077918).

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

245343431423202 is a wasteful number, since it uses less digits than its factorization.

245343431423202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848905275.

The product of its (nonzero) digits is 1658880, while the sum is 42.

Adding to 245343431423202 its reverse (202324134343542), we get a palindrome (447667565766744).

The spelling of 245343431423202 in words is "two hundred forty-five trillion, three hundred forty-three billion, four hundred thirty-one million, four hundred twenty-three thousand, two hundred two".

Divisors: 1 2 3 6 7 14 17 21 29 34 42 51 58 87 102 119 174 203 238 357 406 493 609 714 986 1218 1479 2958 3451 6902 10353 20706 11848905217 23697810434 35546715651 71093431302 82942336519 165884673038 201431388689 248827009557 343618251293 402862777378 497654019114 604294166067 687236502586 1030854753879 1208588332134 1410019720823 2061709507758 2405327759051 2820039441646 4230059162469 4810655518102 5841510271981 7215983277153 8460118324938 11683020543962 14431966554306 17524530815943 35049061631886 40890571903867 81781143807734 122671715711601 245343431423202