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100404120401 = 1360899126823
BaseRepresentation
bin101110110000010001…
…1010100101101010001
3100121011100001210012222
41131200203110231101
53121111423323101
6114043000430425
710153051641044
oct1354043245521
9317140053188
10100404120401
1139643565802
1217561178415
139611464640
144c069b8c5b
15292996401b
hex17608d4b51

100404120401 has 8 divisors (see below), whose sum is σ = 108130142400. Its totient is φ = 92678473872.

The previous prime is 100404120389. The next prime is 100404120409. The reversal of 100404120401 is 104021404001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100404120401 - 218 = 100403858257 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 100404120401.

It is not an unprimeable number, because it can be changed into a prime (100404120409) 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 7 ways as a sum of consecutive naturals, for example, 728276 + ... + 855098.

It is an arithmetic number, because the mean of its divisors is an integer number (13516267800).

Almost surely, 2100404120401 is an apocalyptic number.

It is an amenable number.

100404120401 is a deficient number, since it is larger than the sum of its proper divisors (7726021999).

100404120401 is a wasteful number, since it uses less digits than its factorization.

100404120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187735.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100404120401 its reverse (104021404001), we get a palindrome (204425524402).

The spelling of 100404120401 in words is "one hundred billion, four hundred four million, one hundred twenty thousand, four hundred one".

Divisors: 1 13 60899 126823 791687 1648699 7723393877 100404120401