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100420446101 is a prime number
BaseRepresentation
bin101110110000110000…
…1100110011110010101
3100121012110210012212112
41131201201212132111
53121130113233401
6114044342400405
710153340464613
oct1354141463625
9317173705775
10100420446101
11396517a6518
1217566730105
13961495c511
144c08c286b3
15292b0db3bb
hex1761866795

100420446101 has 2 divisors, whose sum is σ = 100420446102. Its totient is φ = 100420446100.

The previous prime is 100420446097. The next prime is 100420446149. The reversal of 100420446101 is 101644024001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76300803076 + 24119643025 = 276226^2 + 155305^2 .

It is a cyclic number.

It is not a de Polignac number, because 100420446101 - 22 = 100420446097 is a prime.

It is a super-2 number, since 2×1004204461012 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100420446601) 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 as a sum of consecutive naturals, namely, 50210223050 + 50210223051.

It is an arithmetic number, because the mean of its divisors is an integer number (50210223051).

Almost surely, 2100420446101 is an apocalyptic number.

It is an amenable number.

100420446101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420446101 is an equidigital number, since it uses as much as digits as its factorization.

100420446101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 100420446101 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, one hundred one".