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7133081386 = 213721259933
BaseRepresentation
bin1101010010010101…
…00010111100101010
3200102010011002010111
412221022202330222
5104102032101021
63135450404534
7341523122434
oct65112427452
920363132114
107133081386
113030490692
121470a3074a
13898a60122
144b94bd654
152bb3558e1
hex1a92a2f2a

7133081386 has 8 divisors (see below), whose sum is σ = 10700443044. Its totient is φ = 3566267040.

The previous prime is 7133081377. The next prime is 7133081407. The reversal of 7133081386 is 6831803317.

It can be written as a sum of positive squares in 2 ways, for example, as 5242484025 + 1890597361 = 72405^2 + 43481^2 .

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

It is a super-3 number, since 3×71330813863 (a number of 31 digits) contains 333 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, 102525 + ... + 157408.

Almost surely, 27133081386 is an apocalyptic number.

7133081386 is a deficient number, since it is larger than the sum of its proper divisors (3567361658).

7133081386 is a wasteful number, since it uses less digits than its factorization.

7133081386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273656.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7133081386 is about 84457.5715137488. The cubic root of 7133081386 is about 1924.9778047477.

The spelling of 7133081386 in words is "seven billion, one hundred thirty-three million, eighty-one thousand, three hundred eighty-six".

Divisors: 1 2 13721 27442 259933 519866 3566540693 7133081386