Base | Representation |
---|---|
bin | 1000101000110111011… |
… | …0100111011010011011 |
3 | 112012001212022210212000 |
4 | 2022031312213122123 |
5 | 4412420122331411 |
6 | 152102243252043 |
7 | 13502464632003 |
oct | 2121566473233 |
9 | 465055283760 |
10 | 148408792731 |
11 | 57a37992621 |
12 | 2491997a023 |
13 | 10cc1a048b4 |
14 | 727c309003 |
15 | 3cd906a956 |
hex | 228dda769b |
148408792731 has 16 divisors (see below), whose sum is σ = 219899740320. Its totient is φ = 98923507200.
The previous prime is 148408792673. The next prime is 148408792757. The reversal of 148408792731 is 137297804841.
148408792731 is a `hidden beast` number, since 1 + 484 + 0 + 8 + 7 + 92 + 73 + 1 = 666.
It is not a de Polignac number, because 148408792731 - 222 = 148404598427 is a prime.
It is a super-2 number, since 2×1484087927312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (148408792771) 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, 261070 + ... + 604131.
It is an arithmetic number, because the mean of its divisors is an integer number (13743733770).
Almost surely, 2148408792731 is an apocalyptic number.
148408792731 is a deficient number, since it is larger than the sum of its proper divisors (71490947589).
148408792731 is an equidigital number, since it uses as much as digits as its factorization.
148408792731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 871563 (or 871557 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 54.
The spelling of 148408792731 in words is "one hundred forty-eight billion, four hundred eight million, seven hundred ninety-two thousand, seven hundred thirty-one".
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