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10213400657 = 19537547403
BaseRepresentation
bin10011000001100010…
…00010000001010001
3222100210022111210102
421200301002001101
5131404112310112
64405244342145
7511045321205
oct114061020121
928323274712
1010213400657
114371220099
121b90544955
13c69c87155
146cc632b05
153eb9b2bc2
hex260c42051

10213400657 has 4 divisors (see below), whose sum is σ = 10750948080. Its totient is φ = 9675853236.

The previous prime is 10213400633. The next prime is 10213400671. The reversal of 10213400657 is 75600431201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10213400657 - 210 = 10213399633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213400257) 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, 268773683 + ... + 268773720.

It is an arithmetic number, because the mean of its divisors is an integer number (2687737020).

Almost surely, 210213400657 is an apocalyptic number.

It is an amenable number.

10213400657 is a deficient number, since it is larger than the sum of its proper divisors (537547423).

10213400657 is an equidigital number, since it uses as much as digits as its factorization.

10213400657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537547422.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 10213400657 its reverse (75600431201), we get a palindrome (85813831858).

The spelling of 10213400657 in words is "ten billion, two hundred thirteen million, four hundred thousand, six hundred fifty-seven".

Divisors: 1 19 537547403 10213400657