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71488408466 = 21719110663171
BaseRepresentation
bin100001010010100001…
…0101000101110010010
320211112011001102110002
41002211002220232102
52132402013032331
652501420410002
75110356305636
oct1024502505622
9224464042402
1071488408466
1128355385412
1211a313a6902
13698390b817
14366257cdc6
151cd611a9cb
hex10a50a8b92

71488408466 has 16 divisors (see below), whose sum is σ = 119516225760. Its totient is φ = 31870992960.

The previous prime is 71488408391. The next prime is 71488408489. The reversal of 71488408466 is 66480488417.

It is a happy number.

It is a super-2 number, since 2×714884084662 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55330940 + ... + 55332231.

It is an arithmetic number, because the mean of its divisors is an integer number (7469764110).

Almost surely, 271488408466 is an apocalyptic number.

71488408466 is a deficient number, since it is larger than the sum of its proper divisors (48027817294).

71488408466 is a wasteful number, since it uses less digits than its factorization.

71488408466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110663209.

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 71488408466 in words is "seventy-one billion, four hundred eighty-eight million, four hundred eight thousand, four hundred sixty-six".

Divisors: 1 2 17 19 34 38 323 646 110663171 221326342 1881273907 2102600249 3762547814 4205200498 35744204233 71488408466