Base | Representation |
---|---|
bin | 1011101110111011… |
… | …1001101011010100 |
3 | 22010111120222221202 |
4 | 2323232321223110 |
5 | 22422301244020 |
6 | 1240311332032 |
7 | 141023310113 |
oct | 27356715324 |
9 | 8114528852 |
10 | 3149634260 |
11 | 1376982923 |
12 | 73a981018 |
13 | 3b26b5b16 |
14 | 21c437c7a |
15 | 13679ee75 |
hex | bbbb9ad4 |
3149634260 has 72 divisors (see below), whose sum is σ = 6942251400. Its totient is φ = 1200215808.
The previous prime is 3149634259. The next prime is 3149634263. The reversal of 3149634260 is 624369413.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 92428996 + 3057205264 = 9614^2 + 55292^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3149634263) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3691994 + ... + 3692846.
Almost surely, 23149634260 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3149634260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3471125700).
3149634260 is an abundant number, since it is smaller than the sum of its proper divisors (3792617140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3149634260 is a wasteful number, since it uses less digits than its factorization.
3149634260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1257 (or 1232 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 38.
The square root of 3149634260 is about 56121.6024361386. The cubic root of 3149634260 is about 1465.8404725823.
It can be divided in two parts, 31496 and 34260, that added together give a palindrome (65756).
The spelling of 3149634260 in words is "three billion, one hundred forty-nine million, six hundred thirty-four thousand, two hundred sixty".
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