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23221101204 = 2232792147227
BaseRepresentation
bin10101101000000101…
…011110001010010100
32012221022121011102100
4111220011132022110
5340024100214304
614400112442100
71451304050340
oct255005361224
965838534370
1023221101204
119936785034
124600849330
132260b23b92
1411a4004620
1590d936439
hex56815e294

23221101204 has 36 divisors (see below), whose sum is σ = 67083181984. Its totient is φ = 6634600272.

The previous prime is 23221101203. The next prime is 23221101209. The reversal of 23221101204 is 40210112232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×232211012042 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221101203) 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, 46073362 + ... + 46073865.

Almost surely, 223221101204 is an apocalyptic number.

It is an amenable number.

23221101204 is an abundant number, since it is smaller than the sum of its proper divisors (43862080780).

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

23221101204 is a wasteful number, since it uses less digits than its factorization.

23221101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92147244 (or 92147239 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23221101204 its reverse (40210112232), we get a palindrome (63431213436).

The spelling of 23221101204 in words is "twenty-three billion, two hundred twenty-one million, one hundred one thousand, two hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 92147227 184294454 276441681 368588908 552883362 645030589 829325043 1105766724 1290061178 1658650086 1935091767 2580122356 3317300172 3870183534 5805275301 7740367068 11610550602 23221101204