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231124002340240 = 2454247368020861
BaseRepresentation
bin110100100011010011000000…
…000011101111110110010000
31010022100020110010000210200201
4310203103000003233312100
5220243213424044341430
62135320522331424544
766453105144166642
oct6443230003576620
91108306403023621
10231124002340240
1167709158a26919
1221b094688b5154
139bc6b91111989
144110666122892
151bac0ebb1d8ca
hexd234c00efd90

231124002340240 has 40 divisors (see below), whose sum is σ = 537375965221368. Its totient is φ = 92447422909440.

The previous prime is 231124002340213. The next prime is 231124002340291. The reversal of 231124002340240 is 42043200421132.

It can be written as a sum of positive squares in 4 ways, for example, as 604643097744 + 230519359242496 = 777588^2 + 15182864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 231124002340199 and 231124002340208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30612591 + ... + 37408270.

Almost surely, 2231124002340240 is an apocalyptic number.

231124002340240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231124002340240 is an abundant number, since it is smaller than the sum of its proper divisors (306251962881128).

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

231124002340240 is a wasteful number, since it uses less digits than its factorization.

231124002340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68063347 (or 68063341 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 231124002340240 its reverse (42043200421132), we get a palindrome (273167202761372).

The spelling of 231124002340240 in words is "two hundred thirty-one trillion, one hundred twenty-four billion, two million, three hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 42473 84946 169892 212365 339784 424730 679568 849460 1698920 3397840 68020861 136041722 272083444 340104305 544166888 680208610 1088333776 1360417220 2720834440 5441668880 2889050029253 5778100058506 11556200117012 14445250146265 23112400234024 28890500292530 46224800468048 57781000585060 115562001170120 231124002340240