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70684531670 = 2567149708049
BaseRepresentation
bin100000111010100100…
…0000101101111010110
320202110010102020210102
41001311020011233112
52124230220003140
652245542454102
75051425414544
oct1016510055726
9222403366712
1070684531670
1127a82636925
1211848134332
1368861cc18c
1435c78c4d94
151c8a779e15
hex1075205bd6

70684531670 has 32 divisors (see below), whose sum is σ = 129997980000. Its totient is φ = 27664851456.

The previous prime is 70684531651. The next prime is 70684531711. The reversal of 70684531670 is 7613548607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254195 + ... + 453854.

It is an arithmetic number, because the mean of its divisors is an integer number (4062436875).

Almost surely, 270684531670 is an apocalyptic number.

70684531670 is a deficient number, since it is larger than the sum of its proper divisors (59313448330).

70684531670 is a wasteful number, since it uses less digits than its factorization.

70684531670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708272.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 70684531670 in words is "seventy billion, six hundred eighty-four million, five hundred thirty-one thousand, six hundred seventy".

Divisors: 1 2 5 10 67 134 149 298 335 670 745 1490 9983 19966 49915 99830 708049 1416098 3540245 7080490 47439283 94878566 105499301 210998602 237196415 474392830 527496505 1054993010 7068453167 14136906334 35342265835 70684531670