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68080667404 = 2218194034071
BaseRepresentation
bin111111011001111011…
…001000101100001100
320111201122210020112011
4333121323020230030
52103412122324104
651135324551004
74630050060541
oct773173105414
9214648706464
1068080667404
1126966842092
12112400b2464
13655c9053a9
14341bb58bc8
151b86d84904
hexfd9ec8b0c

68080667404 has 12 divisors (see below), whose sum is σ = 119799407728. Its totient is φ = 33852265200.

The previous prime is 68080667401. The next prime is 68080667407. The reversal of 68080667404 is 40476608086.

It is an interprime number because it is at equal distance from previous prime (68080667401) and next prime (68080667407).

It is not an unprimeable number, because it can be changed into a prime (68080667401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47016312 + ... + 47017759.

Almost surely, 268080667404 is an apocalyptic number.

It is an amenable number.

68080667404 is a deficient number, since it is larger than the sum of its proper divisors (51718740324).

68080667404 is a wasteful number, since it uses less digits than its factorization.

68080667404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94034256 (or 94034254 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 68080667404 in words is "sixty-eight billion, eighty million, six hundred sixty-seven thousand, four hundred four".

Divisors: 1 2 4 181 362 724 94034071 188068142 376136284 17020166851 34040333702 68080667404