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232031011020 = 223519919433083
BaseRepresentation
bin1101100000011000100…
…0000100000011001100
3211011220122021122012220
43120012020010003030
512300144414323040
6254332113455340
722522642023534
oct3300610040314
9734818248186
10232031011020
118a449502936
1238b76871550
1318b5a3c8833
14b3321784c4
1560805392d0
hex36062040cc

232031011020 has 48 divisors (see below), whose sum is σ = 652951622400. Its totient is φ = 61564003776.

The previous prime is 232031011019. The next prime is 232031011031. The reversal of 232031011020 is 20110130232.

It is a super-2 number, since 2×2320310110202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9704602 + ... + 9728481.

It is an arithmetic number, because the mean of its divisors is an integer number (13603158800).

Almost surely, 2232031011020 is an apocalyptic number.

232031011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232031011020 is an abundant number, since it is smaller than the sum of its proper divisors (420920611380).

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

232031011020 is a wasteful number, since it uses less digits than its factorization.

232031011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19433294 (or 19433292 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 232031011020 its reverse (20110130232), we get a palindrome (252141141252).

The spelling of 232031011020 in words is "two hundred thirty-two billion, thirty-one million, eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 199 398 597 796 995 1194 1990 2388 2985 3980 5970 11940 19433083 38866166 58299249 77732332 97165415 116598498 194330830 233196996 291496245 388661660 582992490 1165984980 3867183517 7734367034 11601550551 15468734068 19335917585 23203101102 38671835170 46406202204 58007752755 77343670340 116015505510 232031011020