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67316683131 = 3228057266587
BaseRepresentation
bin111110101100011000…
…110001000101111011
320102202102012211010100
4332230120301011323
52100331032330011
650531434050443
74602112236255
oct765430610573
9212672184110
1067316683131
1126604570425
1211068279a23
13646a5526a9
1433884c6cd5
151b3ec73d56
hexfac63117b

67316683131 has 12 divisors (see below), whose sum is σ = 97239039352. Its totient is φ = 44876020896.

The previous prime is 67316683123. The next prime is 67316683139. The reversal of 67316683131 is 13138661376.

It is an interprime number because it is at equal distance from previous prime (67316683123) and next prime (67316683139).

It is not a de Polignac number, because 67316683131 - 23 = 67316683123 is a prime.

It is a super-2 number, since 2×673166831312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67316683139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119220 + ... + 385806.

Almost surely, 267316683131 is an apocalyptic number.

67316683131 is a deficient number, since it is larger than the sum of its proper divisors (29922356221).

67316683131 is a wasteful number, since it uses less digits than its factorization.

67316683131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294650 (or 294647 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 67316683131 in words is "sixty-seven billion, three hundred sixteen million, six hundred eighty-three thousand, one hundred thirty-one".

Divisors: 1 3 9 28057 84171 252513 266587 799761 2399283 7479631459 22438894377 67316683131