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230771924520 = 23357326343827
BaseRepresentation
bin1101011011101100010…
…1000001111000101000
3211001122220002102020120
43112323011001320220
512240110103041040
6254003135123240
722446512664444
oct3267305017050
9731586072216
10230771924520
118996280a585
1238885073520
13189b95b7137
14b252c67824
156009c2b7d0
hex35bb141e28

230771924520 has 64 divisors (see below), whose sum is σ = 701799577920. Its totient is φ = 60696175104.

The previous prime is 230771924503. The next prime is 230771924521. The reversal of 230771924520 is 25429177032.

It is a super-2 number, since 2×2307719245202 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230771924521) 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, 13163154 + ... + 13180673.

It is an arithmetic number, because the mean of its divisors is an integer number (10965618405).

Almost surely, 2230771924520 is an apocalyptic number.

230771924520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230771924520 is an abundant number, since it is smaller than the sum of its proper divisors (471027653400).

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

230771924520 is a wasteful number, since it uses less digits than its factorization.

230771924520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26343914 (or 26343910 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 230771924520 in words is "two hundred thirty billion, seven hundred seventy-one million, nine hundred twenty-four thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 73 120 146 219 292 365 438 584 730 876 1095 1460 1752 2190 2920 4380 8760 26343827 52687654 79031481 105375308 131719135 158062962 210750616 263438270 316125924 395157405 526876540 632251848 790314810 1053753080 1580629620 1923099371 3161259240 3846198742 5769298113 7692397484 9615496855 11538596226 15384794968 19230993710 23077192452 28846490565 38461987420 46154384904 57692981130 76923974840 115385962260 230771924520