Search a number
-
+
51471802477325 = 523166415229003
BaseRepresentation
bin10111011010000001101101…
…00000001010101100001101
320202020122201102011211112202
423231000312200022230031
523221303222413233300
6301245453012211245
713561500151153556
oct1355006640125415
9222218642154482
1051471802477325
11154450836a432a
1259336b6609b25
132294a02021009
14c9d369d8932d
155e3d76777ad5
hex2ed03680ab0d

51471802477325 has 12 divisors (see below), whose sum is σ = 65883907171968. Its totient is φ = 39849137401200.

The previous prime is 51471802477307. The next prime is 51471802477327. The reversal of 51471802477325 is 52377420817415.

It is not a de Polignac number, because 51471802477325 - 216 = 51471802411789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51471802477327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33207613727 + ... + 33207615276.

It is an arithmetic number, because the mean of its divisors is an integer number (5490325597664).

Almost surely, 251471802477325 is an apocalyptic number.

It is an amenable number.

51471802477325 is a deficient number, since it is larger than the sum of its proper divisors (14412104694643).

51471802477325 is a wasteful number, since it uses less digits than its factorization.

51471802477325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66415229044 (or 66415229039 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 51471802477325 in words is "fifty-one trillion, four hundred seventy-one billion, eight hundred two million, four hundred seventy-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 31 155 775 66415229003 332076145015 1660380725075 2058872099093 10294360495465 51471802477325