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2101131132 = 223175094261
BaseRepresentation
bin111110100111100…
…1011011101111100
312102102122112001120
41331033023131330
513300342144012
6544254310540
7103032214512
oct17517133574
95372575046
102101131132
11989040a11
124a77b8450
132763c5979
1415d0a24b2
15c46dc58c
hex7d3cb77c

2101131132 has 12 divisors (see below), whose sum is σ = 4902639336. Its totient is φ = 700377040.

The previous prime is 2101131101. The next prime is 2101131143. The reversal of 2101131132 is 2311311012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 87547119 + ... + 87547142.

It is an arithmetic number, because the mean of its divisors is an integer number (408553278).

Almost surely, 22101131132 is an apocalyptic number.

It is an amenable number.

2101131132 is an abundant number, since it is smaller than the sum of its proper divisors (2801508204).

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

2101131132 is a wasteful number, since it uses less digits than its factorization.

2101131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175094268 (or 175094266 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2101131132 is about 45838.0969500262. The cubic root of 2101131132 is about 1280.8090450000.

Adding to 2101131132 its reverse (2311311012), we get a palindrome (4412442144).

The spelling of 2101131132 in words is "two billion, one hundred one million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 175094261 350188522 525282783 700377044 1050565566 2101131132