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2140123552 = 2579554123
BaseRepresentation
bin111111110001111…
…1011000110100000
312112011000112121021
41333203323012200
513340332423202
6552210135224
7104014515160
oct17743730640
95464015537
102140123552
119a9053556
124b8881514
132814c89c8
141643325a0
15c7d40a37
hex7f8fb1a0

2140123552 has 24 divisors (see below), whose sum is σ = 4815278496. Its totient is φ = 917195712.

The previous prime is 2140123529. The next prime is 2140123589. The reversal of 2140123552 is 2553210412.

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, 4776838 + ... + 4777285.

It is an arithmetic number, because the mean of its divisors is an integer number (200636604).

Almost surely, 22140123552 is an apocalyptic number.

It is an amenable number.

2140123552 is an abundant number, since it is smaller than the sum of its proper divisors (2675154944).

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

2140123552 is an equidigital number, since it uses as much as digits as its factorization.

2140123552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554140 (or 9554132 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2140123552 is about 46261.4694102987. The cubic root of 2140123552 is about 1288.6835421217.

Adding to 2140123552 its reverse (2553210412), we get a palindrome (4693333964).

The spelling of 2140123552 in words is "two billion, one hundred forty million, one hundred twenty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 9554123 19108246 38216492 66878861 76432984 133757722 152865968 267515444 305731936 535030888 1070061776 2140123552