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100015211201 = 269337138957
BaseRepresentation
bin101110100100101011…
…1110000001011000001
3100120011020021011002112
41131021113300023001
53114312343224301
6113540225025105
710140320161013
oct1351127601301
9316136234075
10100015211201
1139463a85544
1217472a85195
13957ba07259
144bab0a01b3
1529057419bb
hex17495f02c1

100015211201 has 4 divisors (see below), whose sum is σ = 100052352852. Its totient is φ = 99978069552.

The previous prime is 100015211173. The next prime is 100015211269. The reversal of 100015211201 is 102112510001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102112510001 = 241423703361.

It can be written as a sum of positive squares in 2 ways, for example, as 69286874176 + 30728337025 = 263224^2 + 175295^2 .

It is a cyclic number.

It is not a de Polignac number, because 100015211201 - 26 = 100015211137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100015211701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18566786 + ... + 18572171.

It is an arithmetic number, because the mean of its divisors is an integer number (25013088213).

Almost surely, 2100015211201 is an apocalyptic number.

It is an amenable number.

100015211201 is a deficient number, since it is larger than the sum of its proper divisors (37141651).

100015211201 is an equidigital number, since it uses as much as digits as its factorization.

100015211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37141650.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 100015211201 its reverse (102112510001), we get a palindrome (202127721202).

The spelling of 100015211201 in words is "one hundred billion, fifteen million, two hundred eleven thousand, two hundred one".

Divisors: 1 2693 37138957 100015211201