Base | Representation |
---|---|
bin | 10010010010111110011… |
… | …010101011010000111110 |
3 | 11110012101011000122112202 |
4 | 102102332122223100332 |
5 | 131100000212130210 |
6 | 2401335052431502 |
7 | 156560455064360 |
oct | 22227632532076 |
9 | 4405334018482 |
10 | 1257325114430 |
11 | 445257281020 |
12 | 183817778592 |
13 | 91746b12768 |
14 | 44bd7a44d30 |
15 | 22a8c6b99a5 |
hex | 124be6ab43e |
1257325114430 has 64 divisors (see below), whose sum is σ = 2822336013312. Its totient is φ = 391795971840.
The previous prime is 1257325114411. The next prime is 1257325114481. The reversal of 1257325114430 is 344115237521.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2922647 + ... + 3325133.
It is an arithmetic number, because the mean of its divisors is an integer number (44099000208).
Almost surely, 21257325114430 is an apocalyptic number.
1257325114430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1257325114430 is an abundant number, since it is smaller than the sum of its proper divisors (1565010898882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1257325114430 is a wasteful number, since it uses less digits than its factorization.
1257325114430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406569.
The product of its (nonzero) digits is 100800, while the sum is 38.
The spelling of 1257325114430 in words is "one trillion, two hundred fifty-seven billion, three hundred twenty-five million, one hundred fourteen thousand, four hundred thirty".
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