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61374415884 = 22310150638957
BaseRepresentation
bin111001001010001100…
…110100010000001100
312212102021210100220020
4321022030310100030
52001143322302014
644110042422140
74301625633045
oct711214642014
9185367710806
1061374415884
1124035292061
12ba8a201950
135a3141b922
142d832258cc
1518e32421a9
hexe4a33440c

61374415884 has 24 divisors (see below), whose sum is σ = 144624864048. Its totient is φ = 20255582400.

The previous prime is 61374415813. The next prime is 61374415897. The reversal of 61374415884 is 48851447316.

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, 25318267 + ... + 25320690.

It is an arithmetic number, because the mean of its divisors is an integer number (6026036002).

Almost surely, 261374415884 is an apocalyptic number.

It is an amenable number.

61374415884 is an abundant number, since it is smaller than the sum of its proper divisors (83250448164).

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

61374415884 is a wasteful number, since it uses less digits than its factorization.

61374415884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50639065 (or 50639063 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 61374415884 in words is "sixty-one billion, three hundred seventy-four million, four hundred fifteen thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 50638957 101277914 151916871 202555828 303833742 607667484 5114534657 10229069314 15343603971 20458138628 30687207942 61374415884