Base | Representation |
---|---|
bin | 10100000111001011… |
… | …01100011010110101 |
3 | 1000212111122111101002 |
4 | 22003211230122311 |
5 | 134103143144112 |
6 | 4543234413045 |
7 | 531401231135 |
oct | 120345543265 |
9 | 30774574332 |
10 | 10797631157 |
11 | 4640a88115 |
12 | 2114131185 |
13 | 1031021081 |
14 | 746072ac5 |
15 | 432e181c2 |
hex | 28396c6b5 |
10797631157 has 4 divisors (see below), whose sum is σ = 10797917676. Its totient is φ = 10797344640.
The previous prime is 10797631121. The next prime is 10797631171. The reversal of 10797631157 is 75113679701.
It is a happy number.
10797631157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75113679701 = 177533 ⋅423097.
It can be written as a sum of positive squares in 2 ways, for example, as 3055215076 + 7742416081 = 55274^2 + 87991^2 .
It is a cyclic number.
It is not a de Polignac number, because 10797631157 - 26 = 10797631093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10797630157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76298 + ... + 165579.
It is an arithmetic number, because the mean of its divisors is an integer number (2699479419).
Almost surely, 210797631157 is an apocalyptic number.
It is an amenable number.
10797631157 is a deficient number, since it is larger than the sum of its proper divisors (286519).
10797631157 is an equidigital number, since it uses as much as digits as its factorization.
10797631157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286518.
The product of its (nonzero) digits is 277830, while the sum is 47.
The spelling of 10797631157 in words is "ten billion, seven hundred ninety-seven million, six hundred thirty-one thousand, one hundred fifty-seven".
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