Search a number
-
+
53112813013 = 1373147138047
BaseRepresentation
bin110001011101110001…
…010011010111010101
312002002112010110022201
4301131301103113111
51332233340004023
640222155524501
73560120314231
oct613561232725
9162075113281
1053112813013
1120585886597
12a363459731
135015932b10
1427dbd015c1
1515accbebad
hexc5dc535d5

53112813013 has 16 divisors (see below), whose sum is σ = 58022895616. Its totient is φ = 48321463680.

The previous prime is 53112812999. The next prime is 53112813029. The reversal of 53112813013 is 31031821135.

It is a cyclic number.

It is not a de Polignac number, because 53112813013 - 213 = 53112804821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112813913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376956 + ... + 1415002.

It is an arithmetic number, because the mean of its divisors is an integer number (3626430976).

Almost surely, 253112813013 is an apocalyptic number.

It is an amenable number.

53112813013 is a deficient number, since it is larger than the sum of its proper divisors (4910082603).

53112813013 is a wasteful number, since it uses less digits than its factorization.

53112813013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39604.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 53112813013 in words is "fifty-three billion, one hundred twelve million, eight hundred thirteen thousand, thirteen".

Divisors: 1 13 73 949 1471 19123 38047 107383 494611 1395979 2777431 36106603 55967137 727572781 4085601001 53112813013