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102031220101230 = 232571491086941729
BaseRepresentation
bin10111001100101111111110…
…101000010101000001101110
3111101021002102011021211212100
4113030233332220111001232
5101333134414321214410
61001000255002515530
730330340515134520
oct2714577650250156
9441232364254770
10102031220101230
112a568219887112
12b53a401205ba6
1344c166c7840a4
141b2a4a1b8da10
15bbe0ed5828c0
hex5ccbfea1506e

102031220101230 has 96 divisors (see below), whose sum is σ = 305213237784000. Its totient is φ = 23164902107136.

The previous prime is 102031220101189. The next prime is 102031220101241. The reversal of 102031220101230 is 32101022130201.

102031220101230 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 312 + 20 + 101 + 230 = 666.

It is a super-2 number, since 2×1020312201012302 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 543376995 + ... + 543564734.

It is an arithmetic number, because the mean of its divisors is an integer number (3179304560250).

Almost surely, 2102031220101230 is an apocalyptic number.

102031220101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031220101230 is an abundant number, since it is smaller than the sum of its proper divisors (203182017682770).

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

102031220101230 is a wasteful number, since it uses less digits than its factorization.

102031220101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086941898 (or 1086941895 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102031220101230 its reverse (32101022130201), we get a palindrome (134132242231431).

The spelling of 102031220101230 in words is "one hundred two trillion, thirty-one billion, two hundred twenty million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 149 210 298 315 447 630 745 894 1043 1341 1490 2086 2235 2682 3129 4470 5215 6258 6705 9387 10430 13410 15645 18774 31290 46935 93870 1086941729 2173883458 3260825187 5434708645 6521650374 7608592103 9782475561 10869417290 15217184206 16304125935 19564951122 22825776309 32608251870 38042960515 45651552618 48912377805 68477328927 76085921030 97824755610 114128881545 136954657854 161954317621 228257763090 323908635242 342386644635 485862952863 684773289270 809771588105 971725905726 1133680223347 1457588858589 1619543176210 2267360446694 2429314764315 2915177717178 3401040670041 4858629528630 5668401116735 6802081340082 7287944292945 10203122010123 11336802233470 14575888585890 17005203350205 20406244020246 34010406700410 51015610050615 102031220101230