Search a number
-
+
50155205200 = 2452125388013
BaseRepresentation
bin101110101101011110…
…111011001001010000
311210110101212102010121
4232231132323021100
51310204213031300
635012504040024
73423615132022
oct565536731120
9153411772117
1050155205200
111a2a8340011
129878a63014
134963c71c19
1425db1b2012
15148830181a
hexbad7bb250

50155205200 has 30 divisors (see below), whose sum is σ = 120497881454. Its totient is φ = 20062081920.

The previous prime is 50155205197. The next prime is 50155205207. The reversal of 50155205200 is 250255105.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6301819456 + 43853385744 = 79384^2 + 209412^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155205207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62693607 + ... + 62694406.

Almost surely, 250155205200 is an apocalyptic number.

50155205200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50155205200 is an abundant number, since it is smaller than the sum of its proper divisors (70342676254).

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

50155205200 is a wasteful number, since it uses less digits than its factorization.

50155205200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125388031 (or 125388020 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 50155205200 in words is "fifty billion, one hundred fifty-five million, two hundred five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 125388013 250776026 501552052 626940065 1003104104 1253880130 2006208208 2507760260 3134700325 5015520520 6269400650 10031041040 12538801300 25077602600 50155205200