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90478965934 = 276462783281
BaseRepresentation
bin101010001000011110…
…1110111010010101110
322122112122010200212101
41110100331313102232
52440300103402214
6105322050125314
76352103343460
oct1242075672256
9278478120771
1090478965934
1135410021305
121565128083a
1386bc121386
14454477a130
15254843c774
hex1510f774ae

90478965934 has 8 divisors (see below), whose sum is σ = 155106798768. Its totient is φ = 38776699680.

The previous prime is 90478965917. The next prime is 90478965949. The reversal of 90478965934 is 43956987409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231391627 + ... + 3231391654.

It is an arithmetic number, because the mean of its divisors is an integer number (19388349846).

Almost surely, 290478965934 is an apocalyptic number.

90478965934 is a deficient number, since it is larger than the sum of its proper divisors (64627832834).

90478965934 is a wasteful number, since it uses less digits than its factorization.

90478965934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462783290.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 90478965934 in words is "ninety billion, four hundred seventy-eight million, nine hundred sixty-five thousand, nine hundred thirty-four".

Divisors: 1 2 7 14 6462783281 12925566562 45239482967 90478965934