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10400353213 = 12889806917
BaseRepresentation
bin10011010111110100…
…01100101110111101
3222211211002200111011
421223322030232331
5132244442300323
64440003355221
7515505354325
oct115372145675
928754080434
1010400353213
114457801338
122023082b11
13c99923773
147093ba285
1540d0e120d
hex26be8cbbd

10400353213 has 4 divisors (see below), whose sum is σ = 10401173020. Its totient is φ = 10399533408.

The previous prime is 10400353193. The next prime is 10400353237. The reversal of 10400353213 is 31235300401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3587171449 + 6813181764 = 59893^2 + 82542^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400353213 - 229 = 9863482301 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 (10400353013) 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, 390570 + ... + 416347.

It is an arithmetic number, because the mean of its divisors is an integer number (2600293255).

Almost surely, 210400353213 is an apocalyptic number.

It is an amenable number.

10400353213 is a deficient number, since it is larger than the sum of its proper divisors (819807).

10400353213 is an equidigital number, since it uses as much as digits as its factorization.

10400353213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819806.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 10400353213 its reverse (31235300401), we get a palindrome (41635653614).

The spelling of 10400353213 in words is "ten billion, four hundred million, three hundred fifty-three thousand, two hundred thirteen".

Divisors: 1 12889 806917 10400353213