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51403160032 = 2571747535419
BaseRepresentation
bin101111110111110111…
…011111100111100000
311220200101010002022221
4233313313133213200
51320233202110112
635340404040424
73466550436220
oct576767374740
9156611102287
1051403160032
111a88881aa44
129b66993114
134b02686933
1426b8c26080
15150cb60e07
hexbf7ddf9e0

51403160032 has 192 divisors, whose sum is σ = 127449262080. Its totient is φ = 19906338816.

The previous prime is 51403160027. The next prime is 51403160047. The reversal of 51403160032 is 23006130415.

It is a super-2 number, since 2×514031600322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51403159979 and 51403160006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9483019 + ... + 9488437.

It is an arithmetic number, because the mean of its divisors is an integer number (663798240).

Almost surely, 251403160032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51403160032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63724631040).

51403160032 is an abundant number, since it is smaller than the sum of its proper divisors (76046102048).

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

51403160032 is a wasteful number, since it uses less digits than its factorization.

51403160032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 51403160032 its reverse (23006130415), we get a palindrome (74409290447).

The spelling of 51403160032 in words is "fifty-one billion, four hundred three million, one hundred sixty thousand, thirty-two".