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10102312001 = 34213295277
BaseRepresentation
bin10010110100010010…
…10000110001000001
3222002001021121210202
421122021100301001
5131142142441001
64350235334545
7505226143445
oct113211206101
928061247722
1010102312001
114314545591
121b5b2b1455
13c4cc60412
146bb996825
153e1d6c96b
hex25a250c41

10102312001 has 4 divisors (see below), whose sum is σ = 10102641492. Its totient is φ = 10101982512.

The previous prime is 10102311953. The next prime is 10102312021. The reversal of 10102312001 is 10021320101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10021320101 = 13770870777.

It can be written as a sum of positive squares in 2 ways, for example, as 4204225600 + 5898086401 = 64840^2 + 76799^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102312001 - 26 = 10102311937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102312021) 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, 113426 + ... + 181851.

It is an arithmetic number, because the mean of its divisors is an integer number (2525660373).

Almost surely, 210102312001 is an apocalyptic number.

It is an amenable number.

10102312001 is a deficient number, since it is larger than the sum of its proper divisors (329491).

10102312001 is an equidigital number, since it uses as much as digits as its factorization.

10102312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329490.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10102312001 its reverse (10021320101), we get a palindrome (20123632102).

The spelling of 10102312001 in words is "ten billion, one hundred two million, three hundred twelve thousand, one".

Divisors: 1 34213 295277 10102312001