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90442416149 = 234195909243
BaseRepresentation
bin101010000111011001…
…0011100000000010101
322122110002100202222122
41110032302130000111
52440211224304044
6105314302505325
76351150565361
oct1241662340025
9278402322878
1090442416149
11353a1427978
1215640b95245
1386b4695097
14453d9842a1
15254511cdee
hex150ec9c015

90442416149 has 8 divisors (see below), whose sum is σ = 96676517952. Its totient is φ = 84400132960.

The previous prime is 90442416121. The next prime is 90442416157. The reversal of 90442416149 is 94161424409.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90442416149 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 (90442416109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47953679 + ... + 47955564.

It is an arithmetic number, because the mean of its divisors is an integer number (12084564744).

Almost surely, 290442416149 is an apocalyptic number.

It is an amenable number.

90442416149 is a deficient number, since it is larger than the sum of its proper divisors (6234101803).

90442416149 is a wasteful number, since it uses less digits than its factorization.

90442416149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95909307.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 90442416149 in words is "ninety billion, four hundred forty-two million, four hundred sixteen thousand, one hundred forty-nine".

Divisors: 1 23 41 943 95909243 2205912589 3932278963 90442416149