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47919329934 = 2371577267111
BaseRepresentation
bin101100101000001101…
…101111001010001110
311120200120200011212120
4230220031233022032
51241114322024214
634002553313410
73314325404160
oct545015571216
9146616604776
1047919329934
1119360237913
129354105866
13469898c2c8
142468276930
1513a6d99ea9
hexb2836f28e

47919329934 has 32 divisors (see below), whose sum is σ = 110227554816. Its totient is φ = 13604029920.

The previous prime is 47919329933. The next prime is 47919329957. The reversal of 47919329934 is 43992391974.

47919329934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47919329933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3626962 + ... + 3640149.

It is an arithmetic number, because the mean of its divisors is an integer number (3444611088).

Almost surely, 247919329934 is an apocalyptic number.

47919329934 is an abundant number, since it is smaller than the sum of its proper divisors (62308224882).

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

47919329934 is a wasteful number, since it uses less digits than its factorization.

47919329934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267280.

The product of its digits is 13226976, while the sum is 60.

The spelling of 47919329934 in words is "forty-seven billion, nine hundred nineteen million, three hundred twenty-nine thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 157 314 471 942 1099 2198 3297 6594 7267111 14534222 21801333 43602666 50869777 101739554 152609331 305218662 1140936427 2281872854 3422809281 6845618562 7986554989 15973109978 23959664967 47919329934