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71429292858 = 23711154608859
BaseRepresentation
bin100001010000110000…
…1001000001100111010
320211101000211001002010
41002201201020030322
52132241344332413
652451505350350
75106040654140
oct1024141101472
9224330731063
1071429292858
1128324a78a40
1211a156383b6
1369745b1281
143658791590
151cd0d3edc3
hex10a184833a

71429292858 has 32 divisors (see below), whose sum is σ = 178109406720. Its totient is φ = 18553062960.

The previous prime is 71429292841. The next prime is 71429292881. The reversal of 71429292858 is 85829292417.

It is a junction number, because it is equal to n+sod(n) for n = 71429292798 and 71429292807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77303968 + ... + 77304891.

It is an arithmetic number, because the mean of its divisors is an integer number (5565918960).

Almost surely, 271429292858 is an apocalyptic number.

71429292858 is an abundant number, since it is smaller than the sum of its proper divisors (106680113862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71429292858 is a wasteful number, since it uses less digits than its factorization.

71429292858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154608882.

The product of its digits is 5806080, while the sum is 57.

The spelling of 71429292858 in words is "seventy-one billion, four hundred twenty-nine million, two hundred ninety-two thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 154608859 309217718 463826577 927653154 1082262013 1700697449 2164524026 3246786039 3401394898 5102092347 6493572078 10204184694 11904882143 23809764286 35714646429 71429292858