Base | Representation |
---|---|
bin | 111001001011011001… |
… | …0011100010111100000 |
3 | 102201221100221220110122 |
4 | 1302112302130113200 |
5 | 4002432423440310 |
6 | 132224120015412 |
7 | 11604552226163 |
oct | 1622662342740 |
9 | 381840856418 |
10 | 122788890080 |
11 | 4809014455a |
12 | 1b969901568 |
13 | b76ac2479c |
14 | 5d2b8b7ada |
15 | 32d9c48555 |
hex | 1c96c9c5e0 |
122788890080 has 48 divisors (see below), whose sum is σ = 290670282000. Its totient is φ = 49017096192.
The previous prime is 122788890071. The next prime is 122788890101. The reversal of 122788890080 is 80098887221.
It is a super-2 number, since 2×1227888900802 (a number of 23 digits) contains 22 as substring.
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, 689129 + ... + 848808.
It is an arithmetic number, because the mean of its divisors is an integer number (6055630875).
Almost surely, 2122788890080 is an apocalyptic number.
122788890080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122788890080 is an abundant number, since it is smaller than the sum of its proper divisors (167881391920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122788890080 is a wasteful number, since it uses less digits than its factorization.
122788890080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1538451 (or 1538443 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 53.
The spelling of 122788890080 in words is "one hundred twenty-two billion, seven hundred eighty-eight million, eight hundred ninety thousand, eighty".
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