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2130221010 = 235411731887
BaseRepresentation
bin111111011111000…
…1001011111010010
312111110101102212110
41332332021133102
513330314033020
6551214010150
7103534402611
oct17676113722
95443342773
102130221010
119a34aa635
124b54a6956
1327c43c608
14162cb5878
15c70368e0
hex7ef897d2

2130221010 has 32 divisors (see below), whose sum is σ = 5237229312. Its totient is φ = 554203520.

The previous prime is 2130220993. The next prime is 2130221011. The reversal of 2130221010 is 101220312.

It is not an unprimeable number, because it can be changed into a prime (2130221011) 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, 864714 + ... + 867173.

It is an arithmetic number, because the mean of its divisors is an integer number (163663416).

Almost surely, 22130221010 is an apocalyptic number.

2130221010 is an abundant number, since it is smaller than the sum of its proper divisors (3107008302).

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

2130221010 is a wasteful number, since it uses less digits than its factorization.

2130221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731938.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2130221010 is about 46154.3173495178. The cubic root of 2130221010 is about 1286.6928508039.

Adding to 2130221010 its reverse (101220312), we get a palindrome (2231441322).

The spelling of 2130221010 in words is "two billion, one hundred thirty million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 1731887 3463774 5195661 8659435 10391322 17318870 25978305 51956610 71007367 142014734 213022101 355036835 426044202 710073670 1065110505 2130221010