Search a number
-
+
51570651050 = 2521031413021
BaseRepresentation
bin110000000001110110…
…011010111110101010
311221010001021111210222
4300001312122332222
51321104041313200
635405150010042
73503653205222
oct600166327652
9157101244728
1051570651050
111a964319476
129bb2aa6922
134b2b29ac49
1426d3185082
15151c6e7d85
hexc01d9afaa

51570651050 has 12 divisors (see below), whose sum is σ = 95921411046. Its totient is φ = 20628260400.

The previous prime is 51570651043. The next prime is 51570651061. The reversal of 51570651050 is 5015607515.

51570651050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 34646982769 + 16923668281 = 186137^2 + 130091^2 .

It is a super-2 number, since 2×515706510502 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51570651050.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515706461 + ... + 515706560.

Almost surely, 251570651050 is an apocalyptic number.

51570651050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51570651050 is a deficient number, since it is larger than the sum of its proper divisors (44350759996).

51570651050 is a wasteful number, since it uses less digits than its factorization.

51570651050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031413033 (or 1031413028 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 51570651050 in words is "fifty-one billion, five hundred seventy million, six hundred fifty-one thousand, fifty".

Divisors: 1 2 5 10 25 50 1031413021 2062826042 5157065105 10314130210 25785325525 51570651050