Base | Representation |
---|---|
bin | 101000111010010… |
… | …0101110001000000 |
3 | 10112200001110012010 |
4 | 1101310211301000 |
5 | 10302410200142 |
6 | 344114332520 |
7 | 46006050252 |
oct | 12164456100 |
9 | 3480043163 |
10 | 1372740672 |
11 | 644970426 |
12 | 32388a140 |
13 | 18b5260b4 |
14 | d0457cd2 |
15 | 807ace9c |
hex | 51d25c40 |
1372740672 has 28 divisors (see below), whose sum is σ = 3632043536. Its totient is φ = 457580160.
The previous prime is 1372740661. The next prime is 1372740679. The reversal of 1372740672 is 2760472731.
It is a super-3 number, since 3×13727406723 (a number of 28 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1372740672.
It is not an unprimeable number, because it can be changed into a prime (1372740679) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574654 + ... + 3575037.
Almost surely, 21372740672 is an apocalyptic number.
1372740672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1372740672 is an abundant number, since it is smaller than the sum of its proper divisors (2259302864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1372740672 is an equidigital number, since it uses as much as digits as its factorization.
1372740672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7149706 (or 7149696 counting only the distinct ones).
The product of its (nonzero) digits is 98784, while the sum is 39.
The square root of 1372740672 is about 37050.5151381192. The cubic root of 1372740672 is about 1111.3806567861.
The spelling of 1372740672 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, six hundred seventy-two".
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