Base | Representation |
---|---|
bin | 111001001001001100… |
… | …0101011101000001100 |
3 | 102201202012222022201022 |
4 | 1302102120223220030 |
5 | 4002310021343410 |
6 | 132212520533312 |
7 | 11602664345606 |
oct | 1622230535014 |
9 | 381665868638 |
10 | 122715027980 |
11 | 480524858a6 |
12 | 1b949021238 |
13 | b7588330bc |
14 | 5d21b6c176 |
15 | 32d3508455 |
hex | 1c9262ba0c |
122715027980 has 48 divisors (see below), whose sum is σ = 265151830944. Its totient is φ = 47679528960.
The previous prime is 122715027973. The next prime is 122715027997. The reversal of 122715027980 is 89720517221.
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, 238517 + ... + 549836.
It is an arithmetic number, because the mean of its divisors is an integer number (5523996478).
Almost surely, 2122715027980 is an apocalyptic number.
122715027980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122715027980 is an abundant number, since it is smaller than the sum of its proper divisors (142436802964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122715027980 is a wasteful number, since it uses less digits than its factorization.
122715027980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788586 (or 788584 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 44.
The spelling of 122715027980 in words is "one hundred twenty-two billion, seven hundred fifteen million, twenty-seven thousand, nine hundred eighty".
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