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631808527234092 = 223132600135191253
BaseRepresentation
bin1000111110101000000110001…
…0110101001111010000101100
310001212001022020120122110202220
42033222001202311033100230
51130303022330432442332
610115424455214515340
7250036442201543265
oct21752014265172054
93055038216573686
10631808527234092
1117334a54545588a
125aa40885505b50
1321170399a03300
14b2039a56d596c
154d09bca442d2c
hex23ea062d4f42c

631808527234092 has 72 divisors (see below), whose sum is σ = 1596371529556944. Its totient is φ = 194399346974976.

The previous prime is 631808527234033. The next prime is 631808527234127. The reversal of 631808527234092 is 290432725808136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119110738 + ... + 124301990.

It is an arithmetic number, because the mean of its divisors is an integer number (22171826799402).

It is a 1-persistent number, because it is pandigital, but 2⋅631808527234092 = 1263617054468184 is not.

Almost surely, 2631808527234092 is an apocalyptic number.

It is an amenable number.

631808527234092 is an abundant number, since it is smaller than the sum of its proper divisors (964563002322852).

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

631808527234092 is a wasteful number, since it uses less digits than its factorization.

631808527234092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251299 (or 5251284 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 631808527234092 in words is "six hundred thirty-one trillion, eight hundred eight billion, five hundred twenty-seven million, two hundred thirty-four thousand, ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 60013 120026 180039 240052 360078 720156 780169 1560338 2340507 3120676 4681014 5191253 9362028 10142197 10382506 15573759 20284394 20765012 30426591 31147518 40568788 60853182 62295036 67486289 121706364 134972578 202458867 269945156 404917734 809835468 877321757 1754643514 2631965271 3509287028 5263930542 10527861084 311542666289 623085332578 934627998867 1246170665156 1869255997734 3738511995468 4050054661757 8100109323514 12150163985271 16200218647028 24300327970542 48600655941084 52650710602841 105301421205682 157952131808523 210602842411364 315904263617046 631808527234092