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111054436971 = 3179996720749
BaseRepresentation
bin110011101101101011…
…1000011101001101011
3101121122120111220222020
41213123113003221223
53304414413440341
6123003453555523
711011014065502
oct1473327035153
9347576456866
10111054436971
1143109375225
1219633aa5ba3
13a61aab6bca
145537261839
152d4e97d566
hex19db5c3a6b

111054436971 has 16 divisors (see below), whose sum is σ = 148921920000. Its totient is φ = 73611746208.

The previous prime is 111054436949. The next prime is 111054436979. The reversal of 111054436971 is 179634450111.

It is a happy number.

It is not a de Polignac number, because 111054436971 - 25 = 111054436939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111054436979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5341905 + ... + 5362653.

It is an arithmetic number, because the mean of its divisors is an integer number (9307620000).

Almost surely, 2111054436971 is an apocalyptic number.

111054436971 is a deficient number, since it is larger than the sum of its proper divisors (37867483029).

111054436971 is a wasteful number, since it uses less digits than its factorization.

111054436971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30898.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 111054436971 in words is "one hundred eleven billion, fifty-four million, four hundred thirty-six thousand, nine hundred seventy-one".

Divisors: 1 3 179 537 9967 20749 29901 62247 1784093 3714071 5352279 11142213 206805283 620415849 37018145657 111054436971