Base | Representation |
---|---|
bin | 101000111010001… |
… | …0000101000000001 |
3 | 10112122220001102001 |
4 | 1101310100220001 |
5 | 10302344412311 |
6 | 344112424001 |
7 | 46005236641 |
oct | 12164205001 |
9 | 3478801361 |
10 | 1372654081 |
11 | 644911367 |
12 | 323848001 |
13 | 18b4c5866 |
14 | d0434521 |
15 | 807924c1 |
hex | 51d10a01 |
1372654081 has 8 divisors (see below), whose sum is σ = 1390140584. Its totient is φ = 1355235840.
The previous prime is 1372654067. The next prime is 1372654093. The reversal of 1372654081 is 1804562731.
It can be written as a sum of positive squares in 4 ways, for example, as 23193856 + 1349460225 = 4816^2 + 36735^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1372654081 - 211 = 1372652033 is a prime.
It is a super-2 number, since 2×13726540812 = 3768358452171909122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1372654081.
It is not an unprimeable number, because it can be changed into a prime (1372654181) 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, 24031 + ... + 57643.
It is an arithmetic number, because the mean of its divisors is an integer number (173767573).
Almost surely, 21372654081 is an apocalyptic number.
It is an amenable number.
1372654081 is a deficient number, since it is larger than the sum of its proper divisors (17486503).
1372654081 is an equidigital number, since it uses as much as digits as its factorization.
1372654081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34131.
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 1372654081 is about 37049.3465664376. The cubic root of 1372654081 is about 1111.3572880639.
The spelling of 1372654081 in words is "one billion, three hundred seventy-two million, six hundred fifty-four thousand, eighty-one".
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