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145139434696 = 23131138491827
BaseRepresentation
bin1000011100101011111…
…1000000010011001000
3111212122000110012202101
42013022333000103020
54334221143402241
6150402013443144
713325455560634
oct2071277002310
9455560405671
10145139434696
115660a477533
1224166aa04b4
13108c0590809
14704c027dc4
153b9701be31
hex21cafc04c8

145139434696 has 16 divisors (see below), whose sum is σ = 274213819440. Its totient is φ = 72015749520.

The previous prime is 145139434679. The next prime is 145139434703. The reversal of 145139434696 is 696434931541.

It is a super-2 number, since 2×1451394346962 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69244866 + ... + 69246961.

It is an arithmetic number, because the mean of its divisors is an integer number (17138363715).

Almost surely, 2145139434696 is an apocalyptic number.

It is an amenable number.

145139434696 is a deficient number, since it is larger than the sum of its proper divisors (129074384744).

145139434696 is a wasteful number, since it uses less digits than its factorization.

145139434696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138491964 (or 138491960 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The spelling of 145139434696 in words is "one hundred forty-five billion, one hundred thirty-nine million, four hundred thirty-four thousand, six hundred ninety-six".

Divisors: 1 2 4 8 131 262 524 1048 138491827 276983654 553967308 1107934616 18142429337 36284858674 72569717348 145139434696