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67888627078412 = 22737320992041483
BaseRepresentation
bin11110110111110100011011…
…00000000101010100001100
322220101002102010222022002202
433123322031200011110030
532344241402013002122
6400215334342141032
720204535315641450
oct1733721540052414
9286332363868082
1067888627078412
111a6a4450150998
12774532ba21778
132bb5b406b81ca
1412a9b8172c660
157cae14128e92
hex3dbe8d80550c

67888627078412 has 48 divisors (see below), whose sum is σ = 139451322259200. Its totient is φ = 28307875349952.

The previous prime is 67888627078403. The next prime is 67888627078453. The reversal of 67888627078412 is 21487072688876.

It is a Harshad number since it is a multiple of its sum of digits (74).

It is a self number, because there is not a number n which added to its sum of digits gives 67888627078412.

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, 32233823 + ... + 34275305.

It is an arithmetic number, because the mean of its divisors is an integer number (2905235880400).

Almost surely, 267888627078412 is an apocalyptic number.

It is an amenable number.

67888627078412 is an abundant number, since it is smaller than the sum of its proper divisors (71562695180788).

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

67888627078412 is a wasteful number, since it uses less digits than its factorization.

67888627078412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073630 (or 2073628 counting only the distinct ones).

The product of its (nonzero) digits is 809238528, while the sum is 74.

The spelling of 67888627078412 in words is "sixty-seven trillion, eight hundred eighty-eight billion, six hundred twenty-seven million, seventy-eight thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 32099 64198 128396 224693 449386 898772 1187663 2041483 2375326 4082966 4750652 8165932 8313641 14290381 16627282 28580762 33254564 57161524 75534871 151069742 302139484 528744097 1057488194 2114976388 65529562817 131059125634 262118251268 458706939719 917413879438 1834827758876 2424593824229 4849187648458 9698375296916 16972156769603 33944313539206 67888627078412