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100311210101 = 138077265243
BaseRepresentation
bin101110101101100000…
…0111001100001110101
3100120220212020110020202
41131123000321201311
53120414132210401
6114025441210245
710150543134404
oct1353300714165
9316825213222
10100311210101
11395a6076933
1217536030985
1395c8133b2b
144bd851163b
15292171006b
hex175b039875

100311210101 has 4 divisors (see below), whose sum is σ = 100318489152. Its totient is φ = 100303931052.

The previous prime is 100311210091. The next prime is 100311210127. The reversal of 100311210101 is 101012113001.

It is a happy number.

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 100311210101 - 26 = 100311210037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618815 + ... + 3646428.

It is an arithmetic number, because the mean of its divisors is an integer number (25079622288).

Almost surely, 2100311210101 is an apocalyptic number.

It is an amenable number.

100311210101 is a deficient number, since it is larger than the sum of its proper divisors (7279051).

100311210101 is an equidigital number, since it uses as much as digits as its factorization.

100311210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279050.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100311210101 its reverse (101012113001), we get a palindrome (201323323102).

The spelling of 100311210101 in words is "one hundred billion, three hundred eleven million, two hundred ten thousand, one hundred one".

Divisors: 1 13807 7265243 100311210101