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52151240424 = 2332355792243
BaseRepresentation
bin110000100100011101…
…001100011011101000
311222121111202111201010
4300210131030123220
51323301204143144
635542530023520
73524233141503
oct604435143350
9158544674633
1052151240424
11201320198a8
12a135417ba0
134bc165b75a
14274a31813a
15155367e5b9
hexc2474c6e8

52151240424 has 32 divisors (see below), whose sum is σ = 130385049120. Its totient is φ = 17382820416.

The previous prime is 52151240347. The next prime is 52151240431. The reversal of 52151240424 is 42404215125.

It is a junction number, because it is equal to n+sod(n) for n = 52151240391 and 52151240400.

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, 519247 + ... + 611489.

It is an arithmetic number, because the mean of its divisors is an integer number (4074532785).

Almost surely, 252151240424 is an apocalyptic number.

It is an amenable number.

52151240424 is an abundant number, since it is smaller than the sum of its proper divisors (78233808696).

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

52151240424 is a wasteful number, since it uses less digits than its factorization.

52151240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115809 (or 115805 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 52151240424 its reverse (42404215125), we get a palindrome (94555455549).

The spelling of 52151240424 in words is "fifty-two billion, one hundred fifty-one million, two hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 23557 47114 70671 92243 94228 141342 184486 188456 276729 282684 368972 553458 565368 737944 1106916 2213832 2172968351 4345936702 6518905053 8691873404 13037810106 17383746808 26075620212 52151240424