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89381267088 = 24383180112457
BaseRepresentation
bin101001100111110001…
…0011110011010010000
322112201010121211010120
41103033202132122100
52431023101021323
6105021114430240
76312644143341
oct1231742363220
9275633554116
1089381267088
11349a7438983
12153a5732380
138575897c29
14447ca7a0c8
1524d1dad5e3
hex14cf89e690

89381267088 has 80 divisors (see below), whose sum is σ = 233832075456. Its totient is φ = 29416089600.

The previous prime is 89381267069. The next prime is 89381267113. The reversal of 89381267088 is 88076218398.

It is a Cunningham number, because it is equal to 2989672-1.

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, 7168956 + ... + 7181412.

Almost surely, 289381267088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89381267088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116916037728).

89381267088 is an abundant number, since it is smaller than the sum of its proper divisors (144450808368).

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

89381267088 is a wasteful number, since it uses less digits than its factorization.

89381267088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14352 (or 14346 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 89381267088 in words is "eighty-nine billion, three hundred eighty-one million, two hundred sixty-seven thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 83 166 249 332 498 664 996 1328 1801 1992 3602 3984 5403 7204 10806 12457 14408 21612 24914 28816 37371 43224 49828 74742 86448 99656 149483 149484 199312 298966 298968 448449 597932 597936 896898 1033931 1195864 1793796 2067862 2391728 3101793 3587592 4135724 6203586 7175184 8271448 12407172 16542896 22435057 24814344 44870114 49628688 67305171 89740228 134610342 179480456 269220684 358960912 538441368 1076882736 1862109731 3724219462 5586329193 7448438924 11172658386 14896877848 22345316772 29793755696 44690633544 89381267088