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10312320001 = 78301131701
BaseRepresentation
bin10011001101010100…
…11000010000000001
3222121200110010121211
421212222120100001
5132104423220001
64423140450121
7513356162614
oct114652302001
928550403554
1010312320001
114412043715
121bb96a9941
13c8460cac9
146db82217b
15405502351
hex266a98401

10312320001 has 4 divisors (see below), whose sum is σ = 10312530004. Its totient is φ = 10312110000.

The previous prime is 10312319981. The next prime is 10312320049. The reversal of 10312320001 is 10002321301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10002321301 = 71428903043.

It can be written as a sum of positive squares in 2 ways, for example, as 2466612225 + 7845707776 = 49665^2 + 88576^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312320001 - 29 = 10312319489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10312320701) 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, 12451 + ... + 144151.

It is an arithmetic number, because the mean of its divisors is an integer number (2578132501).

Almost surely, 210312320001 is an apocalyptic number.

It is an amenable number.

10312320001 is a deficient number, since it is larger than the sum of its proper divisors (210003).

10312320001 is an equidigital number, since it uses as much as digits as its factorization.

10312320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210002.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10312320001 its reverse (10002321301), we get a palindrome (20314641302).

The spelling of 10312320001 in words is "ten billion, three hundred twelve million, three hundred twenty thousand, one".

Divisors: 1 78301 131701 10312320001