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2135871474 = 231146496961
BaseRepresentation
bin111111101001110…
…1100111111110010
312111212000111211220
41333103230333302
513333240341344
6551535045510
7103633415352
oct17723547762
95455014756
102135871474
119a6709940
124b7370896
1328066a499
14163946b62
15c77a0c19
hex7f4ecff2

2135871474 has 32 divisors (see below), whose sum is σ = 4661755200. Its totient is φ = 647001600.

The previous prime is 2135871473. The next prime is 2135871499. The reversal of 2135871474 is 4741785312.

It is not an unprimeable number, because it can be changed into a prime (2135871473) 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, 303354 + ... + 310314.

It is an arithmetic number, because the mean of its divisors is an integer number (145679850).

Almost surely, 22135871474 is an apocalyptic number.

2135871474 is an abundant number, since it is smaller than the sum of its proper divisors (2525883726).

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

2135871474 is a wasteful number, since it uses less digits than its factorization.

2135871474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11626.

The product of its digits is 188160, while the sum is 42.

The square root of 2135871474 is about 46215.4895462549. The cubic root of 2135871474 is about 1287.8295079456.

The spelling of 2135871474 in words is "two billion, one hundred thirty-five million, eight hundred seventy-one thousand, four hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 4649 6961 9298 13922 13947 20883 27894 41766 51139 76571 102278 153142 153417 229713 306834 459426 32361689 64723378 97085067 194170134 355978579 711957158 1067935737 2135871474