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89912100169 = 2272143184829
BaseRepresentation
bin101001110111100101…
…1011100010101001001
322121002010110221020001
41103233023130111021
52433114444201134
6105145520203001
76332051145553
oct1235713342511
9277063427201
1089912100169
113514a044701
1215513469461
13862b857248
1444cd37a4d3
1525137b7414
hex14ef2dc549

89912100169 has 8 divisors (see below), whose sum is σ = 90350818560. Its totient is φ = 89473756176.

The previous prime is 89912100077. The next prime is 89912100191. The reversal of 89912100169 is 96100121998.

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 89912100169 - 29 = 89912099657 is a prime.

It is a super-2 number, since 2×899121001692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89912100269) 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, 394047 + ... + 578875.

It is an arithmetic number, because the mean of its divisors is an integer number (11293852320).

Almost surely, 289912100169 is an apocalyptic number.

It is an amenable number.

89912100169 is a deficient number, since it is larger than the sum of its proper divisors (438718391).

89912100169 is a wasteful number, since it uses less digits than its factorization.

89912100169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187199.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 89912100169 in words is "eighty-nine billion, nine hundred twelve million, one hundred thousand, one hundred sixty-nine".

Divisors: 1 227 2143 184829 486461 41956183 396088547 89912100169