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70925207689 = 723343485719
BaseRepresentation
bin100001000001101111…
…0001100100010001001
320210001220021212020001
41002003132030202021
52130223323121224
652325501203001
75060410214110
oct1020336144211
9223056255201
1070925207689
1128096481326
12118b4860461
1368c402891b
14360b854c77
151ca196b544
hex108378c889

70925207689 has 8 divisors (see below), whose sum is σ = 81405267840. Its totient is φ = 60532119456.

The previous prime is 70925207671. The next prime is 70925207699. The reversal of 70925207689 is 98670252907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70925207689 - 25 = 70925207657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70925207609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21741229 + ... + 21744490.

It is an arithmetic number, because the mean of its divisors is an integer number (10175658480).

Almost surely, 270925207689 is an apocalyptic number.

It is an amenable number.

70925207689 is a deficient number, since it is larger than the sum of its proper divisors (10480060151).

70925207689 is a wasteful number, since it uses less digits than its factorization.

70925207689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43485959.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 70925207689 in words is "seventy billion, nine hundred twenty-five million, two hundred seven thousand, six hundred eighty-nine".

Divisors: 1 7 233 1631 43485719 304400033 10132172527 70925207689