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23102221996 = 2273732212009
BaseRepresentation
bin10101100000111111…
…111110111010101100
32012122000220110210201
4111200333332322230
5334303132100441
614340224443244
71445331434620
oct254077767254
965560813721
1023102221996
119885669357
124588a79524
132242300159
1411922db180
159032a2c31
hex560ffeeac

23102221996 has 24 divisors (see below), whose sum is σ = 46328337440. Its totient is φ = 9874403712.

The previous prime is 23102221973. The next prime is 23102221997. The reversal of 23102221996 is 69912220132.

It is a super-2 number, since 2×231022219962 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23102221997) 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, 1095561 + ... + 1116448.

Almost surely, 223102221996 is an apocalyptic number.

It is an amenable number.

23102221996 is an abundant number, since it is smaller than the sum of its proper divisors (23226115444).

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

23102221996 is a wasteful number, since it uses less digits than its factorization.

23102221996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212393 (or 2212391 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 23102221996 in words is "twenty-three billion, one hundred two million, two hundred twenty-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 28 373 746 1492 2611 5222 10444 2212009 4424018 8848036 15484063 30968126 61936252 825079357 1650158714 3300317428 5775555499 11551110998 23102221996