Base | Representation |
---|---|
bin | 111001110010011110… |
… | …0011011110010011110 |
3 | 102212022202021220020010 |
4 | 1303210330123302132 |
5 | 4013124113210443 |
6 | 133002200304050 |
7 | 11652213501003 |
oct | 1634474336236 |
9 | 385282256203 |
10 | 124100131998 |
11 | 486a331aa67 |
12 | 20074a72026 |
13 | b91979768b |
14 | 6013ac38aa |
15 | 3364e09733 |
hex | 1ce4f1bc9e |
124100131998 has 16 divisors (see below), whose sum is σ = 248248811520. Its totient is φ = 41358619416.
The previous prime is 124100131997. The next prime is 124100132003. The reversal of 124100131998 is 899131001421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124100131997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989540 + ... + 2050967.
It is an arithmetic number, because the mean of its divisors is an integer number (15515550720).
Almost surely, 2124100131998 is an apocalyptic number.
124100131998 is an abundant number, since it is smaller than the sum of its proper divisors (124148679522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124100131998 is a wasteful number, since it uses less digits than its factorization.
124100131998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4045631.
The product of its (nonzero) digits is 15552, while the sum is 39.
The spelling of 124100131998 in words is "one hundred twenty-four billion, one hundred million, one hundred thirty-one thousand, nine hundred ninety-eight".
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