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67064680382 = 275997183617
BaseRepresentation
bin111110011101010111…
…011100111110111110
320102002212000202100012
4332131113130332332
52044322024233012
650450432503222
74562632243340
oct763527347676
9212085022305
1067064680382
1126495299a97
1210bb79aab12
13642a28b53b
143362c49290
151b27a96622
hexf9d5dcfbe

67064680382 has 32 divisors (see below), whose sum is σ = 117038442240. Its totient is φ = 28225416960.

The previous prime is 67064680339. The next prime is 67064680409. The reversal of 67064680382 is 28308646076.

It is a self number, because there is not a number n which added to its sum of digits gives 67064680382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760238 + ... + 843854.

It is an arithmetic number, because the mean of its divisors is an integer number (3657451320).

Almost surely, 267064680382 is an apocalyptic number.

67064680382 is a deficient number, since it is larger than the sum of its proper divisors (49973761858).

67064680382 is a wasteful number, since it uses less digits than its factorization.

67064680382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84656.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 67064680382 in words is "sixty-seven billion, sixty-four million, six hundred eighty thousand, three hundred eighty-two".

Divisors: 1 2 7 14 59 118 413 826 971 1942 6797 13594 57289 83617 114578 167234 401023 585319 802046 1170638 4933403 9866806 34533821 69067642 81192107 162384214 568344749 1136689498 4790334313 9580668626 33532340191 67064680382