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52445642007 = 3114591346169
BaseRepresentation
bin110000110110000000…
…001111110100010111
312000101000201122202110
4300312000033310113
51324402041021012
640032044042103
73534436413243
oct606600176427
9160330648673
1052445642007
112027321a0a0
12a1b7b33333
134c3a649285
142777471423
15156e43473c
hexc3600fd17

52445642007 has 16 divisors (see below), whose sum is σ = 76301406720. Its totient is φ = 31778222400.

The previous prime is 52445641991. The next prime is 52445642063. The reversal of 52445642007 is 70024654425.

It is not a de Polignac number, because 52445642007 - 24 = 52445641991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445642077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21582 + ... + 324587.

It is an arithmetic number, because the mean of its divisors is an integer number (4768837920).

Almost surely, 252445642007 is an apocalyptic number.

52445642007 is a deficient number, since it is larger than the sum of its proper divisors (23855764713).

52445642007 is a wasteful number, since it uses less digits than its factorization.

52445642007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350774.

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 52445642007 in words is "fifty-two billion, four hundred forty-five million, six hundred forty-two thousand, seven".

Divisors: 1 3 11 33 4591 13773 50501 151503 346169 1038507 3807859 11423577 1589261879 4767785637 17481880669 52445642007