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78930414328 = 23491102119681
BaseRepresentation
bin100100110000010011…
…1101000101011111000
321112201210111111021211
41021200213220223320
52243122141224303
6100132104412504
75462653311013
oct1114047505370
9245653444254
1078930414328
1130524185587
1213369777134
13759b67289c
143b6aab637a
1520be64466d
hex12609e8af8

78930414328 has 32 divisors (see below), whose sum is σ = 148448729520. Its totient is φ = 39344256000.

The previous prime is 78930414313. The next prime is 78930414361. The reversal of 78930414328 is 82341403987.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 4000648 + ... + 4020328.

Almost surely, 278930414328 is an apocalyptic number.

It is an amenable number.

78930414328 is a deficient number, since it is larger than the sum of its proper divisors (69518315192).

78930414328 is a wasteful number, since it uses less digits than its factorization.

78930414328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21199 (or 21195 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 78930414328 in words is "seventy-eight billion, nine hundred thirty million, four hundred fourteen thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 491 982 1021 1964 2042 3928 4084 8168 19681 39362 78724 157448 501311 1002622 2005244 4010488 9663371 19326742 20094301 38653484 40188602 77306968 80377204 160754408 9866301791 19732603582 39465207164 78930414328