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89580274638 = 23109284348179
BaseRepresentation
bin101001101101101100…
…1101000001111001110
322120020000002110011120
41103123121220033032
52431430022242023
6105052544101410
76320611525311
oct1233331501716
9276200073146
1089580274638
1134a99803228
1215440304866
1385a7b9558a
14449b280978
1524e45bd8e3
hex14db6683ce

89580274638 has 32 divisors (see below), whose sum is σ = 180871574400. Its totient is φ = 29575125216.

The previous prime is 89580274559. The next prime is 89580274669. The reversal of 89580274638 is 83647208598.

It is a congruent number.

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, 1835233 + ... + 1883411.

It is an arithmetic number, because the mean of its divisors is an integer number (5652236700).

Almost surely, 289580274638 is an apocalyptic number.

89580274638 is an abundant number, since it is smaller than the sum of its proper divisors (91291299762).

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

89580274638 is a wasteful number, since it uses less digits than its factorization.

89580274638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51136.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 89580274638 in words is "eighty-nine billion, five hundred eighty million, two hundred seventy-four thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 109 218 327 654 2843 5686 8529 17058 48179 96358 144537 289074 309887 619774 929661 1859322 5251511 10503022 15754533 31509066 136972897 273945794 410918691 821837382 14930045773 29860091546 44790137319 89580274638