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70690520402 = 2173221645493
BaseRepresentation
bin100000111010101111…
…0111011110101010010
320202110112200111210022
41001311132323311102
52124233233123102
652250315103442
75051530336445
oct1016536736522
9222415614708
1070690520402
1127a85a57297
121184a141b82
136887517cc8
1435c860365c
151c8b05e5a2
hex10757bbd52

70690520402 has 16 divisors (see below), whose sum is σ = 112308210072. Its totient is φ = 33255747840.

The previous prime is 70690520371. The next prime is 70690520423. The reversal of 70690520402 is 20402509607.

It can be written as a sum of positive squares in 4 ways, for example, as 69142176601 + 1548343801 = 262949^2 + 39349^2 .

It is a super-3 number, since 3×706905204023 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213233 + ... + 432260.

Almost surely, 270690520402 is an apocalyptic number.

70690520402 is a deficient number, since it is larger than the sum of its proper divisors (41617689670).

70690520402 is a wasteful number, since it uses less digits than its factorization.

70690520402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648733.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 70690520402 in words is "seventy billion, six hundred ninety million, five hundred twenty thousand, four hundred two".

Divisors: 1 2 17 34 3221 6442 54757 109514 645493 1290986 10973381 21946762 2079132953 4158265906 35345260201 70690520402