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8720083054 = 217475456873
BaseRepresentation
bin10000001111100000…
…11110100001101110
3211111201101010011001
420013300132201232
5120324320124204
64001141350514
7426043324444
oct100760364156
924451333131
108720083054
113775294511
12183440843a
13a8c794677
145ca18cb94
153608384a4
hex207c1e86e

8720083054 has 16 divisors (see below), whose sum is σ = 14144217408. Its totient is φ = 4016257792.

The previous prime is 8720083033. The next prime is 8720083067. The reversal of 8720083054 is 4503800278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726839 + ... + 2730034.

It is an arithmetic number, because the mean of its divisors is an integer number (884013588).

Almost surely, 28720083054 is an apocalyptic number.

8720083054 is a deficient number, since it is larger than the sum of its proper divisors (5424134354).

8720083054 is a wasteful number, since it uses less digits than its factorization.

8720083054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456939.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 8720083054 is about 93381.3849436814. The cubic root of 8720083054 is about 2058.2914678622.

The spelling of 8720083054 in words is "eight billion, seven hundred twenty million, eighty-three thousand, fifty-four".

Divisors: 1 2 17 34 47 94 799 1598 5456873 10913746 92766841 185533682 256473031 512946062 4360041527 8720083054