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50013143252 = 2218016942413
BaseRepresentation
bin101110100101000001…
…000000000011010100
311210002111112220202222
4232211001000003110
51304411331041002
634550431121512
73420241463162
oct564501000324
9153074486688
1050013143252
111a23512a846
129839373298
1349406c21b7
1425c6392232
15147aade1a2
hexba50400d4

50013143252 has 12 divisors (see below), whose sum is σ = 87571610196. Its totient is φ = 24992683200.

The previous prime is 50013143249. The next prime is 50013143311. The reversal of 50013143252 is 25234131005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7075501456 + 42937641796 = 84116^2 + 207214^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464003 + ... + 3478410.

It is an arithmetic number, because the mean of its divisors is an integer number (7297634183).

Almost surely, 250013143252 is an apocalyptic number.

It is an amenable number.

50013143252 is a deficient number, since it is larger than the sum of its proper divisors (37558466944).

50013143252 is a wasteful number, since it uses less digits than its factorization.

50013143252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944218 (or 6944216 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 50013143252 its reverse (25234131005), we get a palindrome (75247274257).

The spelling of 50013143252 in words is "fifty billion, thirteen million, one hundred forty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 1801 3602 7204 6942413 13884826 27769652 12503285813 25006571626 50013143252