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100231002001 = 137710077077
BaseRepresentation
bin101110101011000111…
…0111011011110010001
3100120201021022110102101
41131112032323132101
53120233114031001
6114013454120401
710145550313504
oct1352616733621
9316637273371
10100231002001
1139564873349
12175131b0101
1395b462cb10
144bcb9d313b
152919669a01
hex17563bb791

100231002001 has 4 divisors (see below), whose sum is σ = 107941079092. Its totient is φ = 92520924912.

The previous prime is 100231001987. The next prime is 100231002007. The reversal of 100231002001 is 100200132001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23266926225 + 76964075776 = 152535^2 + 277424^2 .

It is not a de Polignac number, because 100231002001 - 233 = 91641067409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100231002007) 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, 3855038526 + ... + 3855038551.

It is an arithmetic number, because the mean of its divisors is an integer number (26985269773).

Almost surely, 2100231002001 is an apocalyptic number.

It is an amenable number.

100231002001 is a deficient number, since it is larger than the sum of its proper divisors (7710077091).

100231002001 is an equidigital number, since it uses as much as digits as its factorization.

100231002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710077090.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100231002001 its reverse (100200132001), we get a palindrome (200431134002).

The spelling of 100231002001 in words is "one hundred billion, two hundred thirty-one million, two thousand, one".

Divisors: 1 13 7710077077 100231002001