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52251142152 = 23311197920993
BaseRepresentation
bin110000101010011010…
…010010100000001000
311222212110202001010010
4300222122102200020
51324002243022102
640000455151520
73526555244256
oct605232224010
9158773661103
1052251142152
1120183453510
12a1629755a0
134c092695c1
1427596c15d6
15155c314d6c
hexc2a692808

52251142152 has 32 divisors (see below), whose sum is σ = 142503115680. Its totient is φ = 15833679360.

The previous prime is 52251142129. The next prime is 52251142169. The reversal of 52251142152 is 25124115225.

It is a super-2 number, since 2×522511421522 (a number of 22 digits) contains 22 as substring.

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, 98960233 + ... + 98960760.

It is an arithmetic number, because the mean of its divisors is an integer number (4453222365).

Almost surely, 252251142152 is an apocalyptic number.

It is an amenable number.

52251142152 is an abundant number, since it is smaller than the sum of its proper divisors (90251973528).

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

52251142152 is a wasteful number, since it uses less digits than its factorization.

52251142152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197921013 (or 197921009 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

Adding to 52251142152 its reverse (25124115225), we get a palindrome (77375257377).

The spelling of 52251142152 in words is "fifty-two billion, two hundred fifty-one million, one hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 197920993 395841986 593762979 791683972 1187525958 1583367944 2177130923 2375051916 4354261846 4750103832 6531392769 8708523692 13062785538 17417047384 26125571076 52251142152