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10211031323 = 13973460657
BaseRepresentation
bin10011000001001111…
…11111100100011011
3222100121212010200022
421200213333210123
5131403011000243
64405121501055
7511016222423
oct114047774433
928317763608
1010211031323
11436a951a69
121b8b7a178b
13c6963788c
146cc1b7483
153eb695b68
hex2609ff91b

10211031323 has 4 divisors (see below), whose sum is σ = 10284492120. Its totient is φ = 10137570528.

The previous prime is 10211031289. The next prime is 10211031329. The reversal of 10211031323 is 32313011201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32313011201 = 44533725597.

It is a cyclic number.

It is not a de Polignac number, because 10211031323 - 28 = 10211031067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211031329) 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 3 ways as a sum of consecutive naturals, for example, 36730190 + ... + 36730467.

It is an arithmetic number, because the mean of its divisors is an integer number (2571123030).

Almost surely, 210211031323 is an apocalyptic number.

10211031323 is a deficient number, since it is larger than the sum of its proper divisors (73460797).

10211031323 is an equidigital number, since it uses as much as digits as its factorization.

10211031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73460796.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10211031323 its reverse (32313011201), we get a palindrome (42524042524).

The spelling of 10211031323 in words is "ten billion, two hundred eleven million, thirty-one thousand, three hundred twenty-three".

Divisors: 1 139 73460657 10211031323