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23321996880 = 24357313193137
BaseRepresentation
bin10101101110000110…
…010110111001010000
32020012100110012021020
4111232012112321100
5340230412400010
614414115155440
71453640463000
oct255606267120
966170405236
1023321996880
119988728496
12462a5a5b80
1322789bc270
1411b358a000
15917716470
hex56e196e50

23321996880 has 1280 divisors, whose sum is σ = 101326848000. Its totient is φ = 4389396480.

The previous prime is 23321996833. The next prime is 23321996891. The reversal of 23321996880 is 8869912332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 630324222 + ... + 630324258.

It is an arithmetic number, because the mean of its divisors is an integer number (79161600).

Almost surely, 223321996880 is an apocalyptic number.

23321996880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23321996880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50663424000).

23321996880 is an abundant number, since it is smaller than the sum of its proper divisors (78004851120).

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

23321996880 is a wasteful number, since it uses less digits than its factorization.

23321996880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

It can be divided in two parts, 23321 and 996880, that added together give a palindrome (1020201).

The spelling of 23321996880 in words is "twenty-three billion, three hundred twenty-one million, nine hundred ninety-six thousand, eight hundred eighty".