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102412231001 = 565118122851
BaseRepresentation
bin101111101100000111…
…1101010000101011001
3100210100021200101002122
41133120033222011121
53134220012343001
6115014133311025
710253604412643
oct1373017520531
9323307611078
10102412231001
113a484041a43
1217a21795475
1398714bb572
144d57585893
1529e5dc9b1b
hex17d83ea159

102412231001 has 4 divisors (see below), whose sum is σ = 102430359504. Its totient is φ = 102394102500.

The previous prime is 102412230971. The next prime is 102412231007. The reversal of 102412231001 is 100132214201.

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 102412231001 - 222 = 102408036697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102412231007) 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, 9055775 + ... + 9067076.

It is an arithmetic number, because the mean of its divisors is an integer number (25607589876).

Almost surely, 2102412231001 is an apocalyptic number.

It is an amenable number.

102412231001 is a deficient number, since it is larger than the sum of its proper divisors (18128503).

102412231001 is an equidigital number, since it uses as much as digits as its factorization.

102412231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128502.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102412231001 its reverse (100132214201), we get a palindrome (202544445202).

The spelling of 102412231001 in words is "one hundred two billion, four hundred twelve million, two hundred thirty-one thousand, one".

Divisors: 1 5651 18122851 102412231001