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6958380031 = 292293073413
BaseRepresentation
bin1100111101100000…
…00111001111111111
3122221221102022220221
412132300013033333
5103222321130111
63110250122211
7334302153151
oct63660071777
918857368827
106958380031
112a509079a9
121422420367
1386b7c2c45
144a0204ad1
152aad47371
hex19ec073ff

6958380031 has 16 divisors (see below), whose sum is σ = 7255432800. Its totient is φ = 6665355648.

The previous prime is 6958379999. The next prime is 6958380043. The reversal of 6958380031 is 1300838596.

It is a cyclic number.

It is not a de Polignac number, because 6958380031 - 25 = 6958379999 is a prime.

It is a super-2 number, since 2×69583800312 = 96838105311639121922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6958380031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6958380061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037081 + ... + 2040493.

It is an arithmetic number, because the mean of its divisors is an integer number (453464550).

Almost surely, 26958380031 is an apocalyptic number.

6958380031 is a deficient number, since it is larger than the sum of its proper divisors (297052769).

6958380031 is a wasteful number, since it uses less digits than its factorization.

6958380031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6958380031 is about 83416.9049473786. The cubic root of 6958380031 is about 1909.1323993773.

The spelling of 6958380031 in words is "six billion, nine hundred fifty-eight million, three hundred eighty thousand, thirty-one".

Divisors: 1 29 229 307 3413 6641 8903 70303 98977 781577 1047791 2038787 22665733 30385939 239944139 6958380031