Search a number
-
+
51470310232 = 231110124124029
BaseRepresentation
bin101111111011110111…
…101001101101011000
311220212001110200002101
4233323313221231120
51320402344411412
635351203213144
73501324263335
oct577367515530
9156761420071
1051470310232
111a912714980
129b853771b4
134b13568293
1426c3b0598c
1515139c7457
hexbfbde9b58

51470310232 has 64 divisors (see below), whose sum is σ = 106768173600. Its totient is φ = 23066880000.

The previous prime is 51470310209. The next prime is 51470310289. The reversal of 51470310232 is 23201307415.

It is a self number, because there is not a number n which added to its sum of digits gives 51470310232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129994 + ... + 2154022.

Almost surely, 251470310232 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 51470310232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53384086800).

51470310232 is an abundant number, since it is smaller than the sum of its proper divisors (55297863368).

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

51470310232 is a wasteful number, since it uses less digits than its factorization.

51470310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24388 (or 24384 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 51470310232 its reverse (23201307415), we get a palindrome (74671617647).

The spelling of 51470310232 in words is "fifty-one billion, four hundred seventy million, three hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 101 202 241 404 482 808 964 1111 1928 2222 2651 4444 5302 8888 10604 21208 24029 24341 48058 48682 96116 97364 192232 194728 264319 267751 528638 535502 1057276 1071004 2114552 2142008 2426929 4853858 5790989 9707716 11581978 19415432 23163956 26696219 46327912 53392438 63700879 106784876 127401758 213569752 254803516 509607032 584889889 1169779778 2339559556 4679119112 6433788779 12867577558 25735155116 51470310232