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53111132052 = 22311402357061
BaseRepresentation
bin110001011101101010…
…111000111110010100
312002002101222001110220
4301131222320332110
51332232422211202
640222055514340
73560100113406
oct613552707624
9162071861426
1053111132052
1120584938670
12a3629889b0
135015494974
1427db9c4b76
1515aca8babc
hexc5dab8f94

53111132052 has 24 divisors (see below), whose sum is σ = 135191972832. Its totient is φ = 16094282400.

The previous prime is 53111132017. The next prime is 53111132083. The reversal of 53111132052 is 25023111135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201178399 + ... + 201178662.

It is an arithmetic number, because the mean of its divisors is an integer number (5632998868).

Almost surely, 253111132052 is an apocalyptic number.

It is an amenable number.

53111132052 is an abundant number, since it is smaller than the sum of its proper divisors (82080840780).

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

53111132052 is a wasteful number, since it uses less digits than its factorization.

53111132052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402357079 (or 402357077 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 53111132052 its reverse (25023111135), we get a palindrome (78134243187).

The spelling of 53111132052 in words is "fifty-three billion, one hundred eleven million, one hundred thirty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 402357061 804714122 1207071183 1609428244 2414142366 4425927671 4828284732 8851855342 13277783013 17703710684 26555566026 53111132052