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71345164986 = 235146800751
BaseRepresentation
bin100001001110010000…
…0001101001010111010
320211011011111220100000
41002130200031022322
52132103330234421
652435302253430
75103666616314
oct1023440151272
9224134456300
1071345164986
1128291538477
12119b1427276
136960037074
14364b5327b4
151cc8773226
hex109c80d2ba

71345164986 has 24 divisors (see below), whose sum is σ = 160306421184. Its totient is φ = 23781721500.

The previous prime is 71345164949. The next prime is 71345164991. The reversal of 71345164986 is 68946154317.

71345164986 is a `hidden beast` number, since 7 + 1 + 3 + 4 + 516 + 49 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73399890 + ... + 73400861.

It is an arithmetic number, because the mean of its divisors is an integer number (6679434216).

Almost surely, 271345164986 is an apocalyptic number.

71345164986 is an abundant number, since it is smaller than the sum of its proper divisors (88961256198).

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

71345164986 is a wasteful number, since it uses less digits than its factorization.

71345164986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146800768 (or 146800756 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 71345164986 in words is "seventy-one billion, three hundred forty-five million, one hundred sixty-four thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 146800751 293601502 440402253 880804506 1321206759 2642413518 3963620277 7927240554 11890860831 23781721662 35672582493 71345164986