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252142451512 = 2374502543777
BaseRepresentation
bin1110101011010011011…
…1000111101100111000
3220002211020111200002021
43222310313013230320
513112341431422022
6311455503444224
724134216322040
oct3526467075470
9802736450067
10252142451512
1197a29927836
1240a49bb6674
131aa13bc1393
14c2bd18c720
15685ae697c7
hex3ab4dc7b38

252142451512 has 16 divisors (see below), whose sum is σ = 540305253360. Its totient is φ = 108061050624.

The previous prime is 252142451503. The next prime is 252142451551. The reversal of 252142451512 is 215154241252.

It is a super-2 number, since 2×2521424515122 (a number of 24 digits) contains 22 as substring.

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, 2251271833 + ... + 2251271944.

It is an arithmetic number, because the mean of its divisors is an integer number (33769078335).

Almost surely, 2252142451512 is an apocalyptic number.

It is an amenable number.

252142451512 is an abundant number, since it is smaller than the sum of its proper divisors (288162801848).

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

252142451512 is a wasteful number, since it uses less digits than its factorization.

252142451512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502543790 (or 4502543786 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

Adding to 252142451512 its reverse (215154241252), we get a palindrome (467296692764).

The spelling of 252142451512 in words is "two hundred fifty-two billion, one hundred forty-two million, four hundred fifty-one thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 4502543777 9005087554 18010175108 31517806439 36020350216 63035612878 126071225756 252142451512