Search a number
-
+
20737003475 = 524969166931
BaseRepresentation
bin10011010100000001…
…011000111111010011
31222112012022220221202
4103110001120333103
5314432133102400
613305413541415
71332611423036
oct232401307723
958465286852
1020737003475
118881552701
12402894486b
131c562a1976
14100a13301d
158157ec4d5
hex4d4058fd3

20737003475 has 12 divisors (see below), whose sum is σ = 25719213240. Its totient is φ = 16586164800.

The previous prime is 20737003459. The next prime is 20737003489. The reversal of 20737003475 is 57430073702.

It is not a de Polignac number, because 20737003475 - 24 = 20737003459 is a prime.

It is an unprimeable number.

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, 40760 + ... + 207690.

It is an arithmetic number, because the mean of its divisors is an integer number (2143267770).

Almost surely, 220737003475 is an apocalyptic number.

20737003475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20737003475 is a deficient number, since it is larger than the sum of its proper divisors (4982209765).

20737003475 is a wasteful number, since it uses less digits than its factorization.

20737003475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171910 (or 171905 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 38.

The spelling of 20737003475 in words is "twenty billion, seven hundred thirty-seven million, three thousand, four hundred seventy-five".

Divisors: 1 5 25 4969 24845 124225 166931 834655 4173275 829480139 4147400695 20737003475