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2135901292 = 227149511961
BaseRepresentation
bin111111101001111…
…0100010001101100
312111212002000202021
41333103310101230
513333242320132
6551535435524
7103633601320
oct17723642154
95455060667
102135901292
119a672a288
124b7385ba4
1328067ac25
14163953980
15c77a9997
hex7f4f446c

2135901292 has 24 divisors (see below), whose sum is σ = 4300480800. Its totient is φ = 909240960.

The previous prime is 2135901269. The next prime is 2135901343. The reversal of 2135901292 is 2921095312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251809 + ... + 260152.

It is an arithmetic number, because the mean of its divisors is an integer number (179186700).

Almost surely, 22135901292 is an apocalyptic number.

It is an amenable number.

2135901292 is an abundant number, since it is smaller than the sum of its proper divisors (2164579508).

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

2135901292 is a wasteful number, since it uses less digits than its factorization.

2135901292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512121 (or 512119 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 2135901292 is about 46215.8121425990. The cubic root of 2135901292 is about 1287.8355008658.

The spelling of 2135901292 in words is "two billion, one hundred thirty-five million, nine hundred one thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 149 298 596 1043 2086 4172 511961 1023922 2047844 3583727 7167454 14334908 76282189 152564378 305128756 533975323 1067950646 2135901292