Base | Representation |
---|---|
bin | 111001110000101111111… |
… | …0100011011111100010100 |
3 | 1001002221012011001201201212 |
4 | 1303201133310123330110 |
5 | 2020031433012110333 |
6 | 24514554113240552 |
7 | 1446360364225352 |
oct | 163413764337424 |
9 | 31087164051655 |
10 | 7938707144468 |
11 | 2590872248731 |
12 | a826a8b63158 |
13 | 457803360bc9 |
14 | 1d63422087d2 |
15 | db785e84448 |
hex | 7385fd1bf14 |
7938707144468 has 24 divisors (see below), whose sum is σ = 14711307895872. Its totient is φ = 3735519191424.
The previous prime is 7938707144419. The next prime is 7938707144521. The reversal of 7938707144468 is 8644417078397.
It is a super-2 number, since 2×79387071444682 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (68).
It is a junction number, because it is equal to n+sod(n) for n = 7938707144398 and 7938707144407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4612430 + ... + 6095237.
It is an arithmetic number, because the mean of its divisors is an integer number (612971162328).
Almost surely, 27938707144468 is an apocalyptic number.
It is an amenable number.
7938707144468 is a deficient number, since it is larger than the sum of its proper divisors (6772600751404).
7938707144468 is a wasteful number, since it uses less digits than its factorization.
7938707144468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10718591 (or 10718589 counting only the distinct ones).
The product of its (nonzero) digits is 227598336, while the sum is 68.
The spelling of 7938707144468 in words is "seven trillion, nine hundred thirty-eight billion, seven hundred seven million, one hundred forty-four thousand, four hundred sixty-eight".
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