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231054411542 = 21038161137437
BaseRepresentation
bin1101011100101111101…
…0101000011100010110
3211002101120122020120212
43113023322220130112
512241144412132132
6254051145525422
722456513043663
oct3271372503426
9732346566525
10231054411542
1189a98212229
12389437a3872
1318a32c92816
14b27c59ca6a
15602492b5b2
hex35cbea8716

231054411542 has 16 divisors (see below), whose sum is σ = 349991914272. Its totient is φ = 114390731520.

The previous prime is 231054411527. The next prime is 231054411629. The reversal of 231054411542 is 245114450132.

It is a super-2 number, since 2×2310544115422 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231054411499 and 231054411508.

It is a congruent number.

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, 1612448 + ... + 1749884.

It is an arithmetic number, because the mean of its divisors is an integer number (21874494642).

Almost surely, 2231054411542 is an apocalyptic number.

231054411542 is a deficient number, since it is larger than the sum of its proper divisors (118937502730).

231054411542 is a wasteful number, since it uses less digits than its factorization.

231054411542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145703.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 231054411542 its reverse (245114450132), we get a palindrome (476168861674).

The spelling of 231054411542 in words is "two hundred thirty-one billion, fifty-four million, four hundred eleven thousand, five hundred forty-two".

Divisors: 1 2 103 206 8161 16322 137437 274874 840583 1681166 14156011 28312022 1121623357 2243246714 115527205771 231054411542