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2102131134 = 232187762219
BaseRepresentation
bin111110101001011…
…1111100110111110
312102111112022210200
41331102333212332
513301121144014
6544331544330
7103043551125
oct17522774676
95374468720
102102131134
11989664264
124a7bbb0a6
13276685b9c
1415d282abc
15c4838a09
hex7d4bf9be

2102131134 has 24 divisors (see below), whose sum is σ = 4557117240. Its totient is φ = 700325808.

The previous prime is 2102131121. The next prime is 2102131159. The reversal of 2102131134 is 4311312012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2677 + ... + 64895.

It is an arithmetic number, because the mean of its divisors is an integer number (189879885).

Almost surely, 22102131134 is an apocalyptic number.

2102131134 is an abundant number, since it is smaller than the sum of its proper divisors (2454986106).

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

2102131134 is a wasteful number, since it uses less digits than its factorization.

2102131134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64104 (or 64101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2102131134 is about 45849.0036314858. The cubic root of 2102131134 is about 1281.0122067551.

Adding to 2102131134 its reverse (4311312012), we get a palindrome (6413443146).

The spelling of 2102131134 in words is "two billion, one hundred two million, one hundred thirty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 1877 3754 5631 11262 16893 33786 62219 124438 186657 373314 559971 1119942 116785063 233570126 350355189 700710378 1051065567 2102131134