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10253550403 = 82712398489
BaseRepresentation
bin10011000110010100…
…01100001101000011
3222110120212022220001
421203022030031003
5131444402103103
64413241100431
7512043511645
oct114312141503
928416768801
1010253550403
1143919531a8
121ba1a87717
13c753a3bb5
146d3ac4895
1540029401d
hex26328c343

10253550403 has 4 divisors (see below), whose sum is σ = 10265949720. Its totient is φ = 10241151088.

The previous prime is 10253550379. The next prime is 10253550467. The reversal of 10253550403 is 30405535201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10253550403 is a prime.

It is a super-2 number, since 2×102535504032 (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 (10253550803) 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, 6198418 + ... + 6200071.

It is an arithmetic number, because the mean of its divisors is an integer number (2566487430).

Almost surely, 210253550403 is an apocalyptic number.

10253550403 is a deficient number, since it is larger than the sum of its proper divisors (12399317).

10253550403 is an equidigital number, since it uses as much as digits as its factorization.

10253550403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399316.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 10253550403 in words is "ten billion, two hundred fifty-three million, five hundred fifty thousand, four hundred three".

Divisors: 1 827 12398489 10253550403