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52015404052 = 2213003851013
BaseRepresentation
bin110000011100010111…
…000001010000010100
311222021001011022020101
4300130113001100110
51323011420412202
635521234343444
73520663432213
oct603427012024
9158231138211
1052015404052
1120072380a37
12a0b7a2ab84
134b9c47b5c1
14273627907a
15154679b887
hexc1c5c1414

52015404052 has 6 divisors (see below), whose sum is σ = 91026957098. Its totient is φ = 26007702024.

The previous prime is 52015404041. The next prime is 52015404053. The reversal of 52015404052 is 25040451025.

It can be written as a sum of positive squares in only one way, i.e., 33942903696 + 18072500356 = 184236^2 + 134434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52015404052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52015404053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501925503 + ... + 6501925510.

Almost surely, 252015404052 is an apocalyptic number.

It is an amenable number.

52015404052 is a deficient number, since it is larger than the sum of its proper divisors (39011553046).

52015404052 is a wasteful number, since it uses less digits than its factorization.

52015404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13003851017 (or 13003851015 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 52015404052 its reverse (25040451025), we get a palindrome (77055855077).

The spelling of 52015404052 in words is "fifty-two billion, fifteen million, four hundred four thousand, fifty-two".

Divisors: 1 2 4 13003851013 26007702026 52015404052