Search a number
-
+
21913714100 = 22521034321187
BaseRepresentation
bin10100011010001010…
…001011110110110100
32002120012112000110202
4110122022023312310
5324334402322400
614022250540032
71404020332205
oct243212136664
962505460422
1021913714100
1193257a1823
1242b6a37618
1320b3000745
1410bc51d5ac
15883c874d5
hex51a28bdb4

21913714100 has 36 divisors (see below), whose sum is σ = 47559601824. Its totient is φ = 8764224480.

The previous prime is 21913714099. The next prime is 21913714103. The reversal of 21913714100 is 141731912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21913714103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023707 + ... + 1044893.

Almost surely, 221913714100 is an apocalyptic number.

21913714100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21913714100 is an abundant number, since it is smaller than the sum of its proper divisors (25645887724).

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

21913714100 is a wasteful number, since it uses less digits than its factorization.

21913714100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31544 (or 31537 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 21913714100 in words is "twenty-one billion, nine hundred thirteen million, seven hundred fourteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10343 20686 21187 41372 42374 51715 84748 103430 105935 206860 211870 258575 423740 517150 529675 1034300 1059350 2118700 219137141 438274282 876548564 1095685705 2191371410 4382742820 5478428525 10956857050 21913714100