Base | Representation |
---|---|
bin | 111010100100100110… |
… | …1110001000001000000 |
3 | 110000122222202210222000 |
4 | 1311021031301001000 |
5 | 4030100243200432 |
6 | 133441133144000 |
7 | 12042001506450 |
oct | 1651115610100 |
9 | 400588683860 |
10 | 125782396992 |
11 | 4938697a60a |
12 | 2046432b000 |
13 | bb27174755 |
14 | 61332add60 |
15 | 341295857c |
hex | 1d49371040 |
125782396992 has 112 divisors (see below), whose sum is σ = 422602273920. Its totient is φ = 35937824256.
The previous prime is 125782396979. The next prime is 125782396997. The reversal of 125782396992 is 299693287521.
125782396992 is a `hidden beast` number, since 1 + 257 + 8 + 239 + 69 + 92 = 666.
It is a tau number, because it is divible by the number of its divisors (112).
It is a super-2 number, since 2×1257823969922 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (125782396997) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5187243 + ... + 5211434.
Almost surely, 2125782396992 is an apocalyptic number.
125782396992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
125782396992 is an abundant number, since it is smaller than the sum of its proper divisors (296819876928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125782396992 is a wasteful number, since it uses less digits than its factorization.
125782396992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10398705 (or 10398689 counting only the distinct ones).
The product of its digits is 29393280, while the sum is 63.
The spelling of 125782396992 in words is "one hundred twenty-five billion, seven hundred eighty-two million, three hundred ninety-six thousand, nine hundred ninety-two".
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