Search a number
-
+
21214132130 = 2519432596589
BaseRepresentation
bin10011110000011101…
…011111011110100010
32000202110010120102102
4103300131133132202
5321421304212010
613425020250402
71350464101502
oct236035373642
960673116372
1021214132130
118aa6908504
1241406a0a02
1320010a9709
141053653a02
15842648ba5
hex4f075f7a2

21214132130 has 32 divisors (see below), whose sum is σ = 41129985600. Its totient is φ = 7852082112.

The previous prime is 21214132117. The next prime is 21214132141. The reversal of 21214132130 is 3123141212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290125 + ... + 1306464.

It is an arithmetic number, because the mean of its divisors is an integer number (1285312050).

Almost surely, 221214132130 is an apocalyptic number.

21214132130 is a deficient number, since it is larger than the sum of its proper divisors (19915853470).

21214132130 is a wasteful number, since it uses less digits than its factorization.

21214132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596658.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21214132130 its reverse (3123141212), we get a palindrome (24337273342).

The spelling of 21214132130 in words is "twenty-one billion, two hundred fourteen million, one hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 43 86 95 190 215 430 817 1634 4085 8170 2596589 5193178 12982945 25965890 49335191 98670382 111653327 223306654 246675955 493351910 558266635 1116533270 2121413213 4242826426 10607066065 21214132130