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100664054213 = 231974339529
BaseRepresentation
bin101110111000000001…
…0111001000111000101
3100121211110011210101012
41131300002321013011
53122124444213323
6114124444012005
710162356225422
oct1356002710705
9317743153335
10100664054213
1139767263938
1217614231005
139653274728
144c2d31cd49
1529426ab678
hex17700b91c5

100664054213 has 4 divisors (see below), whose sum is σ = 100668416940. Its totient is φ = 100659691488.

The previous prime is 100664054191. The next prime is 100664054219. The reversal of 100664054213 is 312450466001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312450466001 = 437266289907.

It can be written as a sum of positive squares in 2 ways, for example, as 48672301924 + 51991752289 = 220618^2 + 228017^2 .

It is a cyclic number.

It is not a de Polignac number, because 100664054213 - 212 = 100664050117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100664054213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100664054219) 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, 2146568 + ... + 2192961.

It is an arithmetic number, because the mean of its divisors is an integer number (25167104235).

Almost surely, 2100664054213 is an apocalyptic number.

It is an amenable number.

100664054213 is a deficient number, since it is larger than the sum of its proper divisors (4362727).

100664054213 is an equidigital number, since it uses as much as digits as its factorization.

100664054213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362726.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 100664054213 in words is "one hundred billion, six hundred sixty-four million, fifty-four thousand, two hundred thirteen".

Divisors: 1 23197 4339529 100664054213