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7950725668 = 229720491561
BaseRepresentation
bin1110110011110011…
…00111001000100100
3202112002200201020001
413121321213020210
5112240341210133
63352535351044
7401012024134
oct73171471044
922462621201
107950725668
11340aa82966
12165a822484
13999280102
14555d1cac4
1531801587d
hex1d9e67224

7950725668 has 12 divisors (see below), whose sum is σ = 14057211532. Its totient is φ = 3934379520.

The previous prime is 7950725659. The next prime is 7950725677. The reversal of 7950725668 is 8665270597.

It is an interprime number because it is at equal distance from previous prime (7950725659) and next prime (7950725677).

It can be written as a sum of positive squares in 2 ways, for example, as 4151482624 + 3799243044 = 64432^2 + 61638^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245393 + ... + 10246168.

Almost surely, 27950725668 is an apocalyptic number.

It is an amenable number.

7950725668 is a deficient number, since it is larger than the sum of its proper divisors (6106485864).

7950725668 is a wasteful number, since it uses less digits than its factorization.

7950725668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20491662 (or 20491660 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 55.

The square root of 7950725668 is about 89166.8417518530. The cubic root of 7950725668 is about 1995.8853462843.

The spelling of 7950725668 in words is "seven billion, nine hundred fifty million, seven hundred twenty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 97 194 388 20491561 40983122 81966244 1987681417 3975362834 7950725668