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115212310232010 = 23517655993443749
BaseRepresentation
bin11010001100100011110100…
…110100110011101111001010
3120002221012002222211011200120
4122030203310310303233022
5110100114302404411020
61045011445445244110
733160546310466165
oct3214436464635712
9502835088734616
10115212310232010
113378a2a2602412
1210b08b01703636
134c39621b8a534
14206443c6a0adc
15d4be0aea9740
hex68c8f4d33bca

115212310232010 has 64 divisors (see below), whose sum is σ = 292779360000000. Its totient is φ = 28915581606912.

The previous prime is 115212310231937. The next prime is 115212310232057. The reversal of 115212310232010 is 10232013212511.

It is a super-2 number, since 2×1152123102320102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31733616 + ... + 35177364.

It is an arithmetic number, because the mean of its divisors is an integer number (4574677500000).

Almost surely, 2115212310232010 is an apocalyptic number.

115212310232010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115212310232010 is an abundant number, since it is smaller than the sum of its proper divisors (177567049767990).

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

115212310232010 is a wasteful number, since it uses less digits than its factorization.

115212310232010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509375.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 115212310232010 its reverse (10232013212511), we get a palindrome (125444323444521).

The spelling of 115212310232010 in words is "one hundred fifteen trillion, two hundred twelve billion, three hundred ten million, two hundred thirty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 65599 131198 196797 327995 393594 655990 983985 1115183 1967970 2230366 3345549 3443749 5575915 6691098 6887498 10331247 11151830 16727745 17218745 20662494 33455490 34437490 51656235 58543733 103312470 117087466 175631199 292718665 351262398 585437330 878155995 1756311990 225906490651 451812981302 677719471953 1129532453255 1355438943906 2259064906510 3388597359765 3840410341067 6777194719530 7680820682134 11521231023201 19202051705335 23042462046402 38404103410670 57606155116005 115212310232010