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53942389384 = 2313282348479
BaseRepresentation
bin110010001111001101…
…111000101010001000
312011020100010022011111
4302033031320222020
51340433222430014
640440352340104
73616512513232
oct621715705210
9164210108144
1053942389384
11209710885a4
12a555244634
13511876cc00
14287a169252
15160aa3a2c4
hexc8f378a88

53942389384 has 48 divisors (see below), whose sum is σ = 109655942400. Its totient is φ = 24865723584.

The previous prime is 53942389381. The next prime is 53942389409. The reversal of 53942389384 is 48398324935.

It is not an unprimeable number, because it can be changed into a prime (53942389381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1088457 + ... + 1136935.

It is an arithmetic number, because the mean of its divisors is an integer number (2284498800).

Almost surely, 253942389384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53942389384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54827971200).

53942389384 is an abundant number, since it is smaller than the sum of its proper divisors (55713553016).

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

53942389384 is a wasteful number, since it uses less digits than its factorization.

53942389384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49334 (or 49317 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 58.

The spelling of 53942389384 in words is "fifty-three billion, nine hundred forty-two million, three hundred eighty-nine thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 823 1352 1646 3292 6584 10699 21398 42796 48479 85592 96958 139087 193916 278174 387832 556348 630227 1112696 1260454 2520908 5041816 8192951 16385902 32771804 39898217 65543608 79796434 159592868 319185736 518676821 1037353642 2074707284 4149414568 6742798673 13485597346 26971194692 53942389384