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2101310132 = 2228126653
BaseRepresentation
bin111110100111111…
…0111001010110100
312102102222121121012
41331033313022310
513300413411012
6544302211352
7103033561415
oct17517671264
95372877535
102101310132
11989153449
124a7883b58
1327645929c
1415d10b80c
15c4725622
hex7d3f72b4

2101310132 has 18 divisors (see below), whose sum is σ = 3690980454. Its totient is φ = 1046758720.

The previous prime is 2101310131. The next prime is 2101310161. The reversal of 2101310132 is 2310131012.

It can be written as a sum of positive squares in 3 ways, for example, as 136515856 + 1964794276 = 11684^2 + 44326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101310131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312518 + ... + 319170.

Almost surely, 22101310132 is an apocalyptic number.

It is an amenable number.

2101310132 is a deficient number, since it is larger than the sum of its proper divisors (1589670322).

2101310132 is an equidigital number, since it uses as much as digits as its factorization.

2101310132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219 (or 6936 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2101310132 is about 45840.0494327831. The cubic root of 2101310132 is about 1280.8454156172.

Adding to 2101310132 its reverse (2310131012), we get a palindrome (4411441144).

The spelling of 2101310132 in words is "two billion, one hundred one million, three hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 4 281 562 1124 6653 13306 26612 78961 157922 315844 1869493 3738986 7477972 525327533 1050655066 2101310132