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52315211352 = 2332179800473
BaseRepresentation
bin110000101110001110…
…101100011001011000
312000000221022002112110
4300232032230121120
51324120143230402
640011104312320
73531263650035
oct605616543130
9160027262473
1052315211352
1120206633668
12a1803126a0
134c1960c781
142763ddc38c
151562c6d56c
hexc2e3ac658

52315211352 has 16 divisors (see below), whose sum is σ = 130788028440. Its totient is φ = 17438403776.

The previous prime is 52315211339. The next prime is 52315211357. The reversal of 52315211352 is 25311251325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52315211357) 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 3 ways as a sum of consecutive naturals, for example, 1089900213 + ... + 1089900260.

Almost surely, 252315211352 is an apocalyptic number.

It is an amenable number.

52315211352 is an abundant number, since it is smaller than the sum of its proper divisors (78472817088).

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

52315211352 is a wasteful number, since it uses less digits than its factorization.

52315211352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179800482 (or 2179800478 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

Adding to 52315211352 its reverse (25311251325), we get a palindrome (77626462677).

The spelling of 52315211352 in words is "fifty-two billion, three hundred fifteen million, two hundred eleven thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 2179800473 4359600946 6539401419 8719201892 13078802838 17438403784 26157605676 52315211352