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212580684057 = 37171453409817
BaseRepresentation
bin1100010111111011001…
…0111101000100011001
3202022201010001122121210
43011332302331010121
511440331123342212
6241354101453333
721233643000120
oct3057662750431
9668633048553
10212580684057
1182178288355
1235248a11249
131707a878621
14a408c98ab7
1557e2b9953c
hex317ecbd119

212580684057 has 32 divisors (see below), whose sum is σ = 343224214272. Its totient is φ = 114250143744.

The previous prime is 212580684049. The next prime is 212580684079. The reversal of 212580684057 is 750486085212.

It is not a de Polignac number, because 212580684057 - 23 = 212580684049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212580683997 and 212580684015.

It is not an unprimeable number, because it can be changed into a prime (212580684037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313813 + ... + 723629.

It is an arithmetic number, because the mean of its divisors is an integer number (10725756696).

Almost surely, 2212580684057 is an apocalyptic number.

It is an amenable number.

212580684057 is a deficient number, since it is larger than the sum of its proper divisors (130643530215).

212580684057 is a wasteful number, since it uses less digits than its factorization.

212580684057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411297.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 212580684057 in words is "two hundred twelve billion, five hundred eighty million, six hundred eighty-four thousand, fifty-seven".

Divisors: 1 3 7 17 21 51 119 357 1453 4359 10171 24701 30513 74103 172907 409817 518721 1229451 2868719 6966889 8606157 20900667 48768223 146304669 595464101 1786392303 4168248707 10122889717 12504746121 30368669151 70860228019 212580684057