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52142211992 = 2313717061513
BaseRepresentation
bin110000100011111010…
…110000001110011000
311222120212202211000202
4300203322300032120
51323241401240432
635542004321332
73524063326523
oct604372601630
9158525684022
1052142211992
1120127a12692
12a1323a3248
134bbc81a1a0
142749047bba
151552999462
hexc23eb0398

52142211992 has 32 divisors (see below), whose sum is σ = 106770091680. Its totient is φ = 23726680320.

The previous prime is 52142211971. The next prime is 52142212027. The reversal of 52142211992 is 29911224125.

It is a congruent number.

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, 3523373 + ... + 3538140.

It is an arithmetic number, because the mean of its divisors is an integer number (3336565365).

Almost surely, 252142211992 is an apocalyptic number.

52142211992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52142211992 is an abundant number, since it is smaller than the sum of its proper divisors (54627879688).

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

52142211992 is a wasteful number, since it uses less digits than its factorization.

52142211992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061603 (or 7061599 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The spelling of 52142211992 in words is "fifty-two billion, one hundred forty-two million, two hundred eleven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 3692 7384 7061513 14123026 28246052 56492104 91799669 183599338 367198676 501367423 734397352 1002734846 2005469692 4010939384 6517776499 13035552998 26071105996 52142211992