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89111000111 = 7213859131221
BaseRepresentation
bin101001011111101101…
…1011111010000101111
322112000022001211112112
41102333123133100233
52424444404000421
6104534221554235
76303153001100
oct1227733372057
9275008054475
1089111000111
1134878922341
121532b11597b
1385318aa743
144454c063a7
1524b82c445b
hex14bf6df42f

89111000111 has 12 divisors (see below), whose sum is σ = 103668004440. Its totient is φ = 76374763920.

The previous prime is 89111000051. The next prime is 89111000119. The reversal of 89111000111 is 11100011198.

It is not a de Polignac number, because 89111000111 - 226 = 89043891247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89111000119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613481 + ... + 744701.

It is an arithmetic number, because the mean of its divisors is an integer number (8639000370).

Almost surely, 289111000111 is an apocalyptic number.

89111000111 is a deficient number, since it is larger than the sum of its proper divisors (14557004329).

89111000111 is a wasteful number, since it uses less digits than its factorization.

89111000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145094 (or 145087 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 89111000111 in words is "eighty-nine billion, one hundred eleven million, one hundred eleven", and thus it is an aban number.

Divisors: 1 7 49 13859 97013 131221 679091 918547 6429829 1818591839 12730142873 89111000111