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232231011320 = 23571175399679
BaseRepresentation
bin1101100001001000001…
…1000000001111111000
3211012102120121201001102
43120102003000033320
512301102114330240
6254404020310532
722530621012020
oct3302203001770
9735376551042
10232231011320
118a541396040
1239011842448
1318b8c982cc9
14b35095aa80
156092d93815
hex36120c03f8

232231011320 has 64 divisors (see below), whose sum is σ = 651453235200. Its totient is φ = 72383690880.

The previous prime is 232231011301. The next prime is 232231011323. The reversal of 232231011320 is 23110132232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 232231011292 and 232231011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232231011323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37696760 + ... + 37702919.

It is an arithmetic number, because the mean of its divisors is an integer number (10178956800).

Almost surely, 2232231011320 is an apocalyptic number.

232231011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232231011320 is an abundant number, since it is smaller than the sum of its proper divisors (419222223880).

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

232231011320 is a wasteful number, since it uses less digits than its factorization.

232231011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75399708 (or 75399704 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 232231011320 its reverse (23110132232), we get a palindrome (255341143552).

The spelling of 232231011320 in words is "two hundred thirty-two billion, two hundred thirty-one million, eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 88 110 140 154 220 280 308 385 440 616 770 1540 3080 75399679 150799358 301598716 376998395 527797753 603197432 753996790 829396469 1055595506 1507993580 1658792938 2111191012 2638988765 3015987160 3317585876 4146982345 4222382024 5277977530 5805775283 6635171752 8293964690 10555955060 11611550566 16587929380 21111910120 23223101132 29028876415 33175858760 46446202264 58057752830 116115505660 232231011320