Base | Representation |
---|---|
bin | 10101101010111000101… |
… | …100001011110100000000 |
3 | 12021100202221010122001201 |
4 | 111222320230023310000 |
5 | 143344243230244010 |
6 | 3100035344310544 |
7 | 212405463662032 |
oct | 25527054136400 |
9 | 5240687118051 |
10 | 1489157274880 |
11 | 524603506540 |
12 | 200737912454 |
13 | aa571c67222 |
14 | 5210b619c52 |
15 | 28b0a52523a |
hex | 15ab8b0bd00 |
1489157274880 has 72 divisors (see below), whose sum is σ = 3891269529504. Its totient is φ = 541511731200.
The previous prime is 1489157274859. The next prime is 1489157274889. The reversal of 1489157274880 is 884727519841.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1489157274889) 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, 52867926 + ... + 52896085.
It is an arithmetic number, because the mean of its divisors is an integer number (54045410132).
Almost surely, 21489157274880 is an apocalyptic number.
1489157274880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1489157274880 is an abundant number, since it is smaller than the sum of its proper divisors (2402112254624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1489157274880 is a wasteful number, since it uses less digits than its factorization.
1489157274880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105764043 (or 105764029 counting only the distinct ones).
The product of its (nonzero) digits is 36126720, while the sum is 64.
The spelling of 1489157274880 in words is "one trillion, four hundred eighty-nine billion, one hundred fifty-seven million, two hundred seventy-four thousand, eight hundred eighty".
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