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10820931914 = 213416189689
BaseRepresentation
bin10100001001111101…
…00101000101001010
31000221010111022000002
422010332211011022
5134130124310124
64545430043002
7532103255312
oct120476450512
930833438002
1010820931914
114653152341
12211baa9462
131035abb9c0
147491ba442
15434ebc0ae
hex284fa514a

10820931914 has 8 divisors (see below), whose sum is σ = 17479966980. Its totient is φ = 4994276256.

The previous prime is 10820931911. The next prime is 10820931943. The reversal of 10820931914 is 41913902801.

It can be written as a sum of positive squares in 2 ways, for example, as 10624455625 + 196476289 = 103075^2 + 14017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10820931911) 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, 208094819 + ... + 208094870.

Almost surely, 210820931914 is an apocalyptic number.

10820931914 is a deficient number, since it is larger than the sum of its proper divisors (6659035066).

10820931914 is a wasteful number, since it uses less digits than its factorization.

10820931914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416189704.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 10820931914 in words is "ten billion, eight hundred twenty million, nine hundred thirty-one thousand, nine hundred fourteen".

Divisors: 1 2 13 26 416189689 832379378 5410465957 10820931914