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90212612864046 = 23677174112756413
BaseRepresentation
bin10100100000110001000010…
…101111100111100000101110
3102211102020112002200211201120
4110200301002233213200232
543311020412343122141
6515511034025121410
725000434434143221
oct2440610257474056
9384366462624646
1090212612864046
1126820a5513a842
12a14b985629266
133b4502242236a
14183c456d575b8
15a66985280c66
hex520c42be782e

90212612864046 has 32 divisors (see below), whose sum is σ = 180795533057568. Its totient is φ = 30009204101760.

The previous prime is 90212612864041. The next prime is 90212612864051. The reversal of 90212612864046 is 64046821621209.

90212612864046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (90212612864041) and next prime (90212612864051).

It is a self number, because there is not a number n which added to its sum of digits gives 90212612864046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90212612864041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693736 + ... + 13450148.

It is an arithmetic number, because the mean of its divisors is an integer number (5649860408049).

Almost surely, 290212612864046 is an apocalyptic number.

90212612864046 is an abundant number, since it is smaller than the sum of its proper divisors (90582920193522).

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

90212612864046 is a wasteful number, since it uses less digits than its factorization.

90212612864046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12758836.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 90212612864046 in words is "ninety trillion, two hundred twelve billion, six hundred twelve million, eight hundred sixty-four thousand, forty-six".

Divisors: 1 2 3 6 677 1354 1741 2031 3482 4062 5223 10446 1178657 2357314 3535971 7071942 12756413 25512826 38269239 76538478 8636091601 17272183202 22208915033 25908274803 44417830066 51816549606 66626745099 133253490198 15035435477341 30070870954682 45106306432023 90212612864046