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67964219885172 = 223132318942090269
BaseRepresentation
bin11110111010000001001110…
…01011110000011001110100
322220122022112100011202112110
433131000213023300121310
532402011210242311142
6400314155342251020
720213152504125252
oct1735004713603164
9286568470152473
1067964219885172
111a723511335506
127757b07886a70
132bbccc973bb70
1412ad6b30395d2
157ccd8a73c99c
hex3dd0272f0674

67964219885172 has 48 divisors (see below), whose sum is σ = 178207185260160. Its totient is φ = 20002847323008.

The previous prime is 67964219885141. The next prime is 67964219885183. The reversal of 67964219885172 is 27158891246976.

67964219885172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 67964219885094 and 67964219885103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9471041547 + ... + 9471048722.

It is an arithmetic number, because the mean of its divisors is an integer number (3712649692920).

Almost surely, 267964219885172 is an apocalyptic number.

It is an amenable number.

67964219885172 is an abundant number, since it is smaller than the sum of its proper divisors (110242965374988).

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

67964219885172 is a wasteful number, since it uses less digits than its factorization.

67964219885172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18942090312 (or 18942090310 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 75.

The spelling of 67964219885172 in words is "sixty-seven trillion, nine hundred sixty-four billion, two hundred nineteen million, eight hundred eighty-five thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1794 3588 18942090269 37884180538 56826270807 75768361076 113652541614 227305083228 246247173497 435668076187 492494346994 738741520491 871336152374 984988693988 1307004228561 1477483040982 1742672304748 2614008457122 2954966081964 5228016914244 5663684990431 11327369980862 16991054971293 22654739961724 33982109942586 67964219885172