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23031435042442 = 288927912949499
BaseRepresentation
bin1010011110010011011001…
…00000010001111010001010
310000112210011022022101122001
411033021230200101322022
511004321334332324232
6120552254543421214
74564652300520031
oct517115440217212
9100483138271561
1023031435042442
11737a638720432
1226bb790bb480a
13cb0b165a6668
14598a27dd3718
1529e1791bb6e7
hex14f26c811e8a

23031435042442 has 8 divisors (see below), whose sum is σ = 34547194080000. Its totient is φ = 11515703682444.

The previous prime is 23031435042347. The next prime is 23031435042443. The reversal of 23031435042442 is 24424053413032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×230314350424422 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23031435042443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696192 + ... + 8253307.

It is an arithmetic number, because the mean of its divisors is an integer number (4318399260000).

Almost surely, 223031435042442 is an apocalyptic number.

23031435042442 is a deficient number, since it is larger than the sum of its proper divisors (11515759037558).

23031435042442 is a wasteful number, since it uses less digits than its factorization.

23031435042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13838780.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 23031435042442 its reverse (24424053413032), we get a palindrome (47455488455474).

The spelling of 23031435042442 in words is "twenty-three trillion, thirty-one billion, four hundred thirty-five million, forty-two thousand, four hundred forty-two".

Divisors: 1 2 889279 1778558 12949499 25898998 11515717521221 23031435042442