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67400400074 = 2731892277687
BaseRepresentation
bin111110110001011000…
…000111110011001010
320102222020202002011212
4332301120013303022
52101014000300244
650544024253122
74604146643060
oct766130076312
9212866662155
1067400400074
1126647850187
12110903111a2
1364819b4847
14339567a030
151b472add9e
hexfb1607cca

67400400074 has 64 divisors (see below), whose sum is σ = 121157959680. Its totient is φ = 27514650240.

The previous prime is 67400400049. The next prime is 67400400091. The reversal of 67400400074 is 47000400476.

It is a self number, because there is not a number n which added to its sum of digits gives 67400400074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8764259 + ... + 8771945.

It is an arithmetic number, because the mean of its divisors is an integer number (1893093120).

Almost surely, 267400400074 is an apocalyptic number.

67400400074 is a deficient number, since it is larger than the sum of its proper divisors (53757559606).

67400400074 is a wasteful number, since it uses less digits than its factorization.

67400400074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8043.

The product of its (nonzero) digits is 18816, while the sum is 32.

The spelling of 67400400074 in words is "sixty-seven billion, four hundred million, four hundred thousand, seventy-four".

Divisors: 1 2 7 14 31 62 89 178 217 227 434 454 623 1246 1589 2759 3178 5518 7037 7687 14074 15374 19313 20203 38626 40406 49259 53809 98518 107618 141421 238297 282842 476594 626293 684143 1252586 1368286 1668079 1744949 3336158 3489898 4384051 4789001 8768102 9578002 12214643 21208433 24429286 42416866 54093419 108186838 148459031 155300461 296918062 310600922 378653933 757307866 1087103227 2174206454 4814314291 9628628582 33700200037 67400400074