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139038801372078 = 23197316707378199
BaseRepresentation
bin11111100111010001111110…
…010111011010001110101110
3200020021222110010110001012220
4133213101332113122032232
5121211002431122401303
61211413313224340210
741200136053535556
oct3747217627321656
9606258403401186
10139038801372078
114033602a705503
1213716799314666
135c773c209362a
14264972a19c166
151111ab93e3053
hex7e747e5da3ae

139038801372078 has 32 divisors (see below), whose sum is σ = 296723036832000. Its totient is φ = 43305524289216.

The previous prime is 139038801372073. The next prime is 139038801372103. The reversal of 139038801372078 is 870273108830931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139038801372073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8353680778 + ... + 8353697421.

It is an arithmetic number, because the mean of its divisors is an integer number (9272594901000).

Almost surely, 2139038801372078 is an apocalyptic number.

139038801372078 is an abundant number, since it is smaller than the sum of its proper divisors (157684235459922).

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

139038801372078 is a wasteful number, since it uses less digits than its factorization.

139038801372078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16707378296.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 139038801372078 in words is "one hundred thirty-nine trillion, thirty-eight billion, eight hundred one million, three hundred seventy-two thousand, seventy-eight".

Divisors: 1 2 3 6 19 38 57 73 114 146 219 438 1387 2774 4161 8322 16707378199 33414756398 50122134597 100244269194 317440185781 634880371562 952320557343 1219638608527 1904641114686 2439277217054 3658915825581 7317831651162 23173133562013 46346267124026 69519400686039 139038801372078