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231024211124442 = 232333594409113039
BaseRepresentation
bin110100100001110110000100…
…000010011110000011011010
31010021222200212111020210112020
4310201312010002132003122
5220240100041021440232
62135203020223355310
766442643213642511
oct6441660402360332
91107880774223466
10231024211124442
116767a8aa43344a
1221ab2058a52b36
139bba6499438a8
1441098baacd678
151ba970adc5e2c
hexd21d8409e0da

231024211124442 has 64 divisors (see below), whose sum is σ = 482394673152000. Its totient is φ = 73620611259008.

The previous prime is 231024211124407. The next prime is 231024211124461. The reversal of 231024211124442 is 244421112420132.

It is a happy number.

It is a super-2 number, since 2×2310242111244422 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2043700159 + ... + 2043813197.

It is an arithmetic number, because the mean of its divisors is an integer number (7537416768000).

Almost surely, 2231024211124442 is an apocalyptic number.

231024211124442 is an abundant number, since it is smaller than the sum of its proper divisors (251370462027558).

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

231024211124442 is a wasteful number, since it uses less digits than its factorization.

231024211124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120835.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 231024211124442 its reverse (244421112420132), we get a palindrome (475445323544574).

The spelling of 231024211124442 in words is "two hundred thirty-one trillion, twenty-four billion, two hundred eleven million, one hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 3359 4409 6718 8818 10077 13227 20154 26454 77257 101407 113039 154514 202814 226078 231771 304221 339117 463542 608442 678234 2599897 5199794 7799691 14809831 15599382 29619662 44429493 88858986 340626113 379698001 498388951 681252226 759396002 996777902 1021878339 1139094003 1495166853 2043756678 2278188006 2990333706 8733054023 11462945873 17466108046 22925891746 26199162069 34388837619 52398324138 68777675238 1674088486409 3348176972818 5022265459227 10044530918454 38504035187407 77008070374814 115512105562221 231024211124442