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32870900664 = 233271761109577
BaseRepresentation
bin11110100111010000…
…100010001110111000
310010211211101202201100
4132213100202032320
51014304422310124
623033425251400
72242400021430
oct364720421670
9103754352640
1032870900664
1112a38848208
126454493b60
13313b0b7aa4
14183b8472c0
15cc5bbb1c9
hex7a74223b8

32870900664 has 384 divisors, whose sum is σ = 110690236800. Its totient is φ = 8599633920.

The previous prime is 32870900663. The next prime is 32870900683. The reversal of 32870900664 is 46600907823.

It is a super-2 number, since 2×328709006642 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32870900663) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 56968344 + ... + 56968920.

It is an arithmetic number, because the mean of its divisors is an integer number (288255825).

Almost surely, 232870900664 is an apocalyptic number.

32870900664 is a gapful number since it is divisible by the number (34) 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 32870900664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55345118400).

32870900664 is an abundant number, since it is smaller than the sum of its proper divisors (77819336136).

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

32870900664 is a wasteful number, since it uses less digits than its factorization.

32870900664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 32870900664 in words is "thirty-two billion, eight hundred seventy million, nine hundred thousand, six hundred sixty-four".