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90911000032 = 252840968751
BaseRepresentation
bin101010010101010110…
…1111100010111100000
322200122202002022020021
41110222231330113200
52442141204000112
6105433002123224
76365600515216
oct1245255742740
9280582068207
1090911000032
1135611986986
1215751ab0514
13875a79a758
144585cbccb6
15257132c907
hex152ab7c5e0

90911000032 has 12 divisors (see below), whose sum is σ = 178981031376. Its totient is φ = 45455500000.

The previous prime is 90911000021. The next prime is 90911000039. The reversal of 90911000032 is 23000011909.

It is a junction number, because it is equal to n+sod(n) for n = 90910999970 and 90911000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90911000039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420484344 + ... + 1420484407.

It is an arithmetic number, because the mean of its divisors is an integer number (14915085948).

Almost surely, 290911000032 is an apocalyptic number.

It is an amenable number.

90911000032 is a deficient number, since it is larger than the sum of its proper divisors (88070031344).

90911000032 is a wasteful number, since it uses less digits than its factorization.

90911000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840968761 (or 2840968753 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 90911000032 in words is "ninety billion, nine hundred eleven million, thirty-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 2840968751 5681937502 11363875004 22727750008 45455500016 90911000032