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91084106076 = 22329261735937
BaseRepresentation
bin101010011010100001…
…0010010100101011100
322201002210211000002020
41110311002102211130
52443020012343301
6105502104300140
76403102061445
oct1246502224534
9281083730066
1091084106076
11356a0670027
121579ba71650
1387875c9772
1445a0ca02cc
152581623436
hex153509295c

91084106076 has 24 divisors (see below), whose sum is σ = 219858187920. Its totient is φ = 29314424832.

The previous prime is 91084106063. The next prime is 91084106077. The reversal of 91084106076 is 67060148019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91084106077) 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, 130867621 + ... + 130868316.

It is an arithmetic number, because the mean of its divisors is an integer number (9160757830).

Almost surely, 291084106076 is an apocalyptic number.

It is an amenable number.

91084106076 is an abundant number, since it is smaller than the sum of its proper divisors (128774081844).

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

91084106076 is a wasteful number, since it uses less digits than its factorization.

91084106076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261735973 (or 261735971 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 91084106076 in words is "ninety-one billion, eighty-four million, one hundred six thousand, seventy-six".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 261735937 523471874 785207811 1046943748 1570415622 3140831244 7590342173 15180684346 22771026519 30361368692 45542053038 91084106076