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85130912097 = 3273112292271
BaseRepresentation
bin100111101001000110…
…0101010000101100001
322010201220211102012100
41033102030222011201
52343322003141342
6103035242521013
76102423546000
oct1172214520541
9263656742170
1085130912097
11331161a9300
12145ba206169
13804913b38a
144198396c37
152333b83e4c
hex13d232a161

85130912097 has 216 divisors, whose sum is σ = 163848339200. Its totient is φ = 42541329600.

The previous prime is 85130912063. The next prime is 85130912129. The reversal of 85130912097 is 79021903158.

85130912097 is a `hidden beast` number, since 8 + 513 + 0 + 9 + 120 + 9 + 7 = 666.

It is not a de Polignac number, because 85130912097 - 212 = 85130908001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85130912297) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 314136072 + ... + 314136342.

Almost surely, 285130912097 is an apocalyptic number.

85130912097 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

85130912097 is a deficient number, since it is larger than the sum of its proper divisors (78717427103).

85130912097 is a wasteful number, since it uses less digits than its factorization.

85130912097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 85130912097 in words is "eighty-five billion, one hundred thirty million, nine hundred twelve thousand, ninety-seven".