Search a number
-
+
51225054300 = 223252766112301
BaseRepresentation
bin101111101101010000…
…000100110001011100
311220012221222101012100
4233231100010301130
51314402103214200
635311002405100
73462255530430
oct575520046134
9156187871170
1051225054300
111a7a7231522
129b17200790
134aa47c7024
14269d3029c0
1514ec1cdd00
hexbed404c5c

51225054300 has 216 divisors, whose sum is σ = 183792076832. Its totient is φ = 11689920000.

The previous prime is 51225054263. The next prime is 51225054359. The reversal of 51225054300 is 345052215.

It is a happy number.

51225054300 is a `hidden beast` number, since 5 + 1 + 225 + 0 + 5 + 430 + 0 = 666.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 4158150 + ... + 4170450.

Almost surely, 251225054300 is an apocalyptic number.

51225054300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51225054300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91896038416).

51225054300 is an abundant number, since it is smaller than the sum of its proper divisors (132567022532).

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

51225054300 is a wasteful number, since it uses less digits than its factorization.

51225054300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12979 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 51225054300 in words is "fifty-one billion, two hundred twenty-five million, fifty-four thousand, three hundred".