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89431419012 = 223131035565809
BaseRepresentation
bin101001101001010000…
…1110010100010000100
322112211121222210122020
41103102201302202010
52431123420402022
6105030105403140
76314123343015
oct1232241624204
9275747883566
1089431419012
1134a22782851
12153ba4994b0
1385830a7520
1444855b300c
1524d64b835c
hex14d2872884

89431419012 has 48 divisors (see below), whose sum is σ = 226906942080. Its totient is φ = 27250195968.

The previous prime is 89431418987. The next prime is 89431419047. The reversal of 89431419012 is 21091413498.

It is a super-2 number, since 2×894314190122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766837 + ... + 2798972.

It is an arithmetic number, because the mean of its divisors is an integer number (4727227960).

Almost surely, 289431419012 is an apocalyptic number.

It is an amenable number.

89431419012 is an abundant number, since it is smaller than the sum of its proper divisors (137475523068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89431419012 is a wasteful number, since it uses less digits than its factorization.

89431419012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565932 (or 5565930 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 89431419012 in words is "eighty-nine billion, four hundred thirty-one million, four hundred nineteen thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 103 156 206 309 412 618 1236 1339 2678 4017 5356 8034 16068 5565809 11131618 16697427 22263236 33394854 66789708 72355517 144711034 217066551 289422068 434133102 573278327 868266204 1146556654 1719834981 2293113308 3439669962 6879339924 7452618251 14905236502 22357854753 29810473004 44715709506 89431419012