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23313020032100 = 2252281829644841
BaseRepresentation
bin1010100110011111111000…
…10001110001010001100100
310001112200222110010222012002
411103033330101301101210
511023430031112011400
6121325504211144432
74624211240450531
oct523177421612144
9101480873128162
1023313020032100
117478aa6047917
1227462772a5118
131001540209136
145a84db557d88
152a6659d45ed5
hex1533fc471464

23313020032100 has 36 divisors (see below), whose sum is σ = 50769286461348. Its totient is φ = 9292022208000.

The previous prime is 23313020032087. The next prime is 23313020032103. The reversal of 23313020032100 is 123002031332.

It can be written as a sum of positive squares in 6 ways, for example, as 28457665636 + 23284562366464 = 168694^2 + 4825408^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23313020032103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414794321 + ... + 414850520.

Almost surely, 223313020032100 is an apocalyptic number.

23313020032100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313020032100 is an abundant number, since it is smaller than the sum of its proper divisors (27456266429248).

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

23313020032100 is a wasteful number, since it uses less digits than its factorization.

23313020032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829645136 (or 829645129 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23313020032100 its reverse (123002031332), we get a palindrome (23436022063432).

The spelling of 23313020032100 in words is "twenty-three trillion, three hundred thirteen billion, twenty million, thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 281 562 1124 1405 2810 5620 7025 14050 28100 829644841 1659289682 3318579364 4148224205 8296448410 16592896820 20741121025 41482242050 82964484100 233130200321 466260400642 932520801284 1165651001605 2331302003210 4662604006420 5828255008025 11656510016050 23313020032100