Base | Representation |
---|---|
bin | 101000110010001… |
… | …0100001110011101 |
3 | 10112101000201010200 |
4 | 1101210110032131 |
5 | 10300312141100 |
6 | 343443054113 |
7 | 45624561435 |
oct | 12144241635 |
9 | 3471021120 |
10 | 1368474525 |
11 | 642517190 |
12 | 322371339 |
13 | 18a691352 |
14 | cda672c5 |
15 | 80218e00 |
hex | 5191439d |
1368474525 has 72 divisors (see below), whose sum is σ = 2814745440. Its totient is φ = 628560000.
The previous prime is 1368474521. The next prime is 1368474587. The reversal of 1368474525 is 5254748631.
It is not a de Polignac number, because 1368474525 - 22 = 1368474521 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1368474521) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32475 + ... + 61575.
Almost surely, 21368474525 is an apocalyptic number.
1368474525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1368474525 is an abundant number, since it is smaller than the sum of its proper divisors (1446270915).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368474525 is a wasteful number, since it uses less digits than its factorization.
1368474525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29147 (or 29139 counting only the distinct ones).
The product of its digits is 806400, while the sum is 45.
The square root of 1368474525 is about 36992.8983049450. The cubic root of 1368474525 is about 1110.2281610358.
It can be divided in two parts, 13684 and 74525, that added together give a square (88209 = 2972).
The spelling of 1368474525 in words is "one billion, three hundred sixty-eight million, four hundred seventy-four thousand, five hundred twenty-five".
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