Search a number
-
+
21010514314 = 210505257157
BaseRepresentation
bin10011100100010100…
…110000000110001010
32000020020222201021211
4103210110300012022
5321012142424224
613352504123334
71342442265526
oct234424600612
960206881254
1021010514314
118a01984419
1240a446654a
131c9ab567ba
1410345acd86
1582e827894
hex4e453018a

21010514314 has 4 divisors (see below), whose sum is σ = 31515771474. Its totient is φ = 10505257156.

The previous prime is 21010514243. The next prime is 21010514339. The reversal of 21010514314 is 41341501012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19219108689 + 1791405625 = 138633^2 + 42325^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252628577 + ... + 5252628580.

Almost surely, 221010514314 is an apocalyptic number.

21010514314 is a deficient number, since it is larger than the sum of its proper divisors (10505257160).

21010514314 is a wasteful number, since it uses less digits than its factorization.

21010514314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505257159.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 21010514314 in words is "twenty-one billion, ten million, five hundred fourteen thousand, three hundred fourteen".

Divisors: 1 2 10505257157 21010514314