Search a number
-
+
20753427501 = 331745214439
BaseRepresentation
bin10011010101000000…
…000010110000101101
31222120100020100111000
4103111000002300231
5320000334140001
613311201550513
71333201136352
oct232500026055
958510210430
1020753427501
11888a850284
124032345439
131c59802521
14100c3aa629
15816e93a86
hex4d5002c2d

20753427501 has 16 divisors (see below), whose sum is σ = 32554396800. Its totient is φ = 13021758144.

The previous prime is 20753427469. The next prime is 20753427511. The reversal of 20753427501 is 10572435702.

It is not a de Polignac number, because 20753427501 - 25 = 20753427469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20753427511) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 22606761 + ... + 22607678.

It is an arithmetic number, because the mean of its divisors is an integer number (2034649800).

Almost surely, 220753427501 is an apocalyptic number.

It is an amenable number.

20753427501 is a deficient number, since it is larger than the sum of its proper divisors (11800969299).

20753427501 is a wasteful number, since it uses less digits than its factorization.

20753427501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45214465 (or 45214459 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 20753427501 in words is "twenty billion, seven hundred fifty-three million, four hundred twenty-seven thousand, five hundred one".

Divisors: 1 3 9 17 27 51 153 459 45214439 135643317 406929951 768645463 1220789853 2305936389 6917809167 20753427501