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7970938978136 = 235890116915967
BaseRepresentation
bin111001111111110000011…
…1111000111111101011000
31001020000101102221112100012
41303333200333013331120
52021043440334300021
624541444313301052
71451611204260041
oct163774077077530
931200342845305
107970938978136
1125a35022843a2
12a889a3404788
1345a86bc22134
141d7b1cc198c8
15dc5209b735b
hex73fe0fc7f58

7970938978136 has 16 divisors (see below), whose sum is σ = 14945765207040. Its totient is φ = 3985401589600.

The previous prime is 7970938978039. The next prime is 7970938978151. The reversal of 7970938978136 is 6318798390797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7986776 + ... + 8929191.

It is an arithmetic number, because the mean of its divisors is an integer number (934110325440).

Almost surely, 27970938978136 is an apocalyptic number.

It is an amenable number.

7970938978136 is a deficient number, since it is larger than the sum of its proper divisors (6974826228904).

7970938978136 is a wasteful number, since it uses less digits than its factorization.

7970938978136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16974874 (or 16974870 counting only the distinct ones).

The product of its (nonzero) digits is 864162432, while the sum is 77.

The spelling of 7970938978136 in words is "seven trillion, nine hundred seventy billion, nine hundred thirty-eight million, nine hundred seventy-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 58901 117802 235604 471208 16915967 33831934 67663868 135327736 996367372267 1992734744534 3985469489068 7970938978136