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85521885482 = 21121720788013
BaseRepresentation
bin100111110100110000…
…0000110100100101010
322011202011111220212002
41033221200012210222
52400122100313412
6103142130451002
76115212014045
oct1175140064452
9264664456762
1085521885482
11332a6969400
12146a9133a62
1380ac13c187
1441d428bc5c
152358162dc2
hex13e980692a

85521885482 has 24 divisors (see below), whose sum is σ = 149299516548. Its totient is φ = 36586901120.

The previous prime is 85521885467. The next prime is 85521885487. The reversal of 85521885482 is 28458812558.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83764515241 + 1757370241 = 289421^2 + 41921^2 .

It is not an unprimeable number, because it can be changed into a prime (85521885487) 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, 10389893 + ... + 10398120.

Almost surely, 285521885482 is an apocalyptic number.

85521885482 is a deficient number, since it is larger than the sum of its proper divisors (63777631066).

85521885482 is a wasteful number, since it uses less digits than its factorization.

85521885482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20788054 (or 20788043 counting only the distinct ones).

The product of its digits is 8192000, while the sum is 56.

The spelling of 85521885482 in words is "eighty-five billion, five hundred twenty-one million, eight hundred eighty-five thousand, four hundred eighty-two".

Divisors: 1 2 11 17 22 34 121 187 242 374 2057 4114 20788013 41576026 228668143 353396221 457336286 706792442 2515349573 3887358431 5030699146 7774716862 42760942741 85521885482