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53186480740 = 22519139964423
BaseRepresentation
bin110001100010001010…
…010100101001100100
312002021122202011110001
4301202022110221210
51332411214340430
640233350511044
73562003425031
oct614212245144
9162248664401
1053186480740
1120613422208
12a384065484
135027c86ba3
1428079da388
1515b44c23ca
hexc62294a64

53186480740 has 24 divisors (see below), whose sum is σ = 117570116160. Its totient is φ = 20154876768.

The previous prime is 53186480713. The next prime is 53186480741. The reversal of 53186480740 is 4708468135.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53186480741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69981832 + ... + 69982591.

It is an arithmetic number, because the mean of its divisors is an integer number (4898754840).

Almost surely, 253186480740 is an apocalyptic number.

It is an amenable number.

53186480740 is an abundant number, since it is smaller than the sum of its proper divisors (64383635420).

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

53186480740 is a wasteful number, since it uses less digits than its factorization.

53186480740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139964451 (or 139964449 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 53186480740 in words is "fifty-three billion, one hundred eighty-six million, four hundred eighty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 139964423 279928846 559857692 699822115 1399644230 2659324037 2799288460 5318648074 10637296148 13296620185 26593240370 53186480740