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10275125731 = 1323732232111
BaseRepresentation
bin10011001000111000…
…11111100111100011
3222112002110110200021
421210130133213203
5132020413010411
64415331334311
7512425061533
oct114434374743
928462413607
1010275125731
1143a304a052
121ba9151397
13c799b9370
146d68dd4c3
15402106a71
hex26471f9e3

10275125731 has 32 divisors (see below), whose sum is σ = 11762860032. Its totient is φ = 8903727360.

The previous prime is 10275125719. The next prime is 10275125753. The reversal of 10275125731 is 13752157201.

10275125731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10275125731 - 25 = 10275125699 is a prime.

It is a super-2 number, since 2×102751257312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10275125701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4866366 + ... + 4868476.

It is an arithmetic number, because the mean of its divisors is an integer number (367589376).

Almost surely, 210275125731 is an apocalyptic number.

10275125731 is a deficient number, since it is larger than the sum of its proper divisors (1487734301).

10275125731 is a wasteful number, since it uses less digits than its factorization.

10275125731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443.

The product of its (nonzero) digits is 14700, while the sum is 34.

The spelling of 10275125731 in words is "ten billion, two hundred seventy-five million, one hundred twenty-five thousand, seven hundred thirty-one".

Divisors: 1 13 23 73 223 299 949 1679 2111 2899 5129 16279 21827 27443 48553 66677 154103 211627 374417 470753 631189 2003339 3544369 4867421 6119789 10827319 34364969 46076797 140755147 446744597 790394287 10275125731