Base | Representation |
---|---|
bin | 11000000110011011… |
… | …11110010110000010 |
3 | 1020101201211001120220 |
4 | 30003031332112002 |
5 | 202444324144040 |
6 | 5535525243510 |
7 | 635431544052 |
oct | 140315762602 |
9 | 36351731526 |
10 | 12938896770 |
11 | 553a740718 |
12 | 2611263596 |
13 | 12b2829847 |
14 | 8aa5c1562 |
15 | 50add22d0 |
hex | 30337e582 |
12938896770 has 32 divisors (see below), whose sum is σ = 31097701440. Its totient is φ = 3445444800.
The previous prime is 12938896769. The next prime is 12938896787. The reversal of 12938896770 is 7769883921.
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, 286600 + ... + 328659.
It is an arithmetic number, because the mean of its divisors is an integer number (971803170).
Almost surely, 212938896770 is an apocalyptic number.
12938896770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12938896770 is an abundant number, since it is smaller than the sum of its proper divisors (18158804670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12938896770 is a wasteful number, since it uses less digits than its factorization.
12938896770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615970.
The product of its (nonzero) digits is 9144576, while the sum is 60.
The spelling of 12938896770 in words is "twelve billion, nine hundred thirty-eight million, eight hundred ninety-six thousand, seven hundred seventy".
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