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47621896742 = 2719183197777
BaseRepresentation
bin101100010110011111…
…000111101000100110
311112220212000000020102
4230112133013220212
51240012201143432
633513250304102
73304054305050
oct542637075046
9145825000212
1047621896742
1119218356962
129290588032
13464c17c934
14243a9708d0
15138abe6962
hexb167c7a26

47621896742 has 32 divisors (see below), whose sum is σ = 85982062080. Its totient is φ = 19324448640.

The previous prime is 47621896741. The next prime is 47621896769. The reversal of 47621896742 is 24769812674.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47621896741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438158 + ... + 535934.

It is an arithmetic number, because the mean of its divisors is an integer number (2686939440).

Almost surely, 247621896742 is an apocalyptic number.

47621896742 is a deficient number, since it is larger than the sum of its proper divisors (38360165338).

47621896742 is a wasteful number, since it uses less digits than its factorization.

47621896742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99636.

The product of its digits is 8128512, while the sum is 56.

The spelling of 47621896742 in words is "forty-seven billion, six hundred twenty-one million, eight hundred ninety-six thousand, seven hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 1831 3662 12817 25634 34789 69578 97777 195554 243523 487046 684439 1368878 1857763 3715526 13004341 26008682 179029687 358059374 1253207809 2506415618 3401564053 6803128106 23810948371 47621896742