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2106524643 = 311340915193
BaseRepresentation
bin111110110001111…
…0000001111100011
312102210210112120020
41331203300033203
513303232242033
6545010044523
7103126110156
oct17543601743
95383715506
102106524643
11991095163
124a9579743
132775638b2
1415daa7c9d
15c4e056b3
hex7d8f03e3

2106524643 has 16 divisors (see below), whose sum is σ = 2840670240. Its totient is φ = 1388427264.

The previous prime is 2106524633. The next prime is 2106524657. The reversal of 2106524643 is 3464256012.

It is not a de Polignac number, because 2106524643 - 25 = 2106524611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106524603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131055 + ... + 146247.

It is an arithmetic number, because the mean of its divisors is an integer number (177541890).

Almost surely, 22106524643 is an apocalyptic number.

2106524643 is a deficient number, since it is larger than the sum of its proper divisors (734145597).

2106524643 is a wasteful number, since it uses less digits than its factorization.

2106524643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15718.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2106524643 is about 45896.8914306841. The cubic root of 2106524643 is about 1281.9040353903.

The spelling of 2106524643 in words is "two billion, one hundred six million, five hundred twenty-four thousand, six hundred forty-three".

Divisors: 1 3 113 339 409 1227 15193 45579 46217 138651 1716809 5150427 6213937 18641811 702174881 2106524643