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90485260388 = 2223983535439
BaseRepresentation
bin101010001000101010…
…1111000000001100100
322122120001222111020022
41110101111320001210
52440303211313023
6105322433054312
76352211010605
oct1242125700144
9278501874208
1090485260388
1135413630436
12156533b7398
1386c05163c3
144545537dac
152548c827c8
hex1511578064

90485260388 has 12 divisors (see below), whose sum is σ = 165233953920. Its totient is φ = 43275559272.

The previous prime is 90485260387. The next prime is 90485260417. The reversal of 90485260388 is 88306258409.

It is not an unprimeable number, because it can be changed into a prime (90485260387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491767628 + ... + 491767811.

It is an arithmetic number, because the mean of its divisors is an integer number (13769496160).

Almost surely, 290485260388 is an apocalyptic number.

It is an amenable number.

90485260388 is a deficient number, since it is larger than the sum of its proper divisors (74748693532).

90485260388 is a wasteful number, since it uses less digits than its factorization.

90485260388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983535466 (or 983535464 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 90485260388 in words is "ninety billion, four hundred eighty-five million, two hundred sixty thousand, three hundred eighty-eight".

Divisors: 1 2 4 23 46 92 983535439 1967070878 3934141756 22621315097 45242630194 90485260388