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10200251357 = 67715066841
BaseRepresentation
bin10010111111111101…
…10111101111011101
3222022212120110100022
421133332313233131
5131342231020412
64404054441525
7510525464102
oct113776675735
928285513308
1010200251357
1143648598aa
121b880632a5
13c67331cba
146ca9acaa9
153ea766a72
hex25ffb7bdd

10200251357 has 4 divisors (see below), whose sum is σ = 10215318876. Its totient is φ = 10185183840.

The previous prime is 10200251291. The next prime is 10200251359. The reversal of 10200251357 is 75315200201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75315200201 = 292597075869.

It can be written as a sum of positive squares in 2 ways, for example, as 9433459876 + 766791481 = 97126^2 + 27691^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200251357 - 218 = 10199989213 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 (10200251359) 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, 7532744 + ... + 7534097.

It is an arithmetic number, because the mean of its divisors is an integer number (2553829719).

Almost surely, 210200251357 is an apocalyptic number.

It is an amenable number.

10200251357 is a deficient number, since it is larger than the sum of its proper divisors (15067519).

10200251357 is an equidigital number, since it uses as much as digits as its factorization.

10200251357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15067518.

The product of its (nonzero) digits is 2100, while the sum is 26.

Adding to 10200251357 its reverse (75315200201), we get a palindrome (85515451558).

The spelling of 10200251357 in words is "ten billion, two hundred million, two hundred fifty-one thousand, three hundred fifty-seven".

Divisors: 1 677 15066841 10200251357