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88385571042 = 23129191140253
BaseRepresentation
bin101001001010000110…
…0001100100011100010
322110010202001012221020
41102110030030203202
52422003201233132
6104334225310310
76246163646406
oct1222414144342
9273122035836
1088385571042
113453639478a
1215168195396
138447506a82
1443c672d106
15247477c52c
hex149430c8e2

88385571042 has 16 divisors (see below), whose sum is σ = 176784980160. Its totient is φ = 29459550672.

The previous prime is 88385570989. The next prime is 88385571047. The reversal of 88385571042 is 24017558388.

It is not an unprimeable number, because it can be changed into a prime (88385571047) 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, 492613 + ... + 647640.

It is an arithmetic number, because the mean of its divisors is an integer number (11049061260).

Almost surely, 288385571042 is an apocalyptic number.

88385571042 is an abundant number, since it is smaller than the sum of its proper divisors (88399409118).

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

88385571042 is a wasteful number, since it uses less digits than its factorization.

88385571042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153177.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 88385571042 in words is "eighty-eight billion, three hundred eighty-five million, five hundred seventy-one thousand, forty-two".

Divisors: 1 2 3 6 12919 25838 38757 77514 1140253 2280506 3420759 6841518 14730928507 29461857014 44192785521 88385571042