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23331021030021 = 312791608006177
BaseRepresentation
bin1010100111000001011010…
…01110001000001010000101
310001121102102222012102002210
411103200231032020022011
511024223412340430041
6121342042331054033
74625416310430165
oct523405516101205
9101542388172083
1023331021030021
1174856a3151001
12274985b8a1319
13100314b6c89b3
145a93281645a5
152a6d6034a016
hex15382d388285

23331021030021 has 8 divisors (see below), whose sum is σ = 31110460115904. Its totient is φ = 15552797982080.

The previous prime is 23331021030019. The next prime is 23331021030059. The reversal of 23331021030021 is 12003012013332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23331021030021 - 21 = 23331021030019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23331021030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331021030521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303964716 + ... + 304041461.

It is an arithmetic number, because the mean of its divisors is an integer number (3888807514488).

Almost surely, 223331021030021 is an apocalyptic number.

It is an amenable number.

23331021030021 is a deficient number, since it is larger than the sum of its proper divisors (7779439085883).

23331021030021 is a wasteful number, since it uses less digits than its factorization.

23331021030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608018971.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23331021030021 its reverse (12003012013332), we get a palindrome (35334033043353).

The spelling of 23331021030021 in words is "twenty-three trillion, three hundred thirty-one billion, twenty-one million, thirty thousand, twenty-one".

Divisors: 1 3 12791 38373 608006177 1824018531 7777007010007 23331021030021