Search a number
-
+
51305160120 = 2335427543001
BaseRepresentation
bin101111110010000001…
…101001110110111000
311220102112201011201120
4233302001221312320
51320033110110440
635322543345240
73464250444204
oct576201516670
9156375634646
1051305160120
111a838475185
129b39bb2220
134ab8293616
1426a9bd5b04
151504253dd0
hexbf2069db8

51305160120 has 32 divisors (see below), whose sum is σ = 153915480720. Its totient is φ = 13681376000.

The previous prime is 51305160041. The next prime is 51305160133. The reversal of 51305160120 is 2106150315.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213771381 + ... + 213771620.

Almost surely, 251305160120 is an apocalyptic number.

It is an amenable number.

51305160120 is an abundant number, since it is smaller than the sum of its proper divisors (102610320600).

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

51305160120 is a wasteful number, since it uses less digits than its factorization.

51305160120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427543015 (or 427543011 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 51305160120 in words is "fifty-one billion, three hundred five million, one hundred sixty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 427543001 855086002 1282629003 1710172004 2137715005 2565258006 3420344008 4275430010 5130516012 6413145015 8550860020 10261032024 12826290030 17101720040 25652580060 51305160120