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20342342244031 = 791044792464591
BaseRepresentation
bin1001010000000010100100…
…00101010101011010111111
32200000201010210210101200021
410220001102011111122333
510131242104103302111
6111133050520313011
74166454130051663
oct450012205253277
980021123711607
1020342342244031
116533158966a45
122346595312767
13b4737550b0c2
14504808a748a3
1525423e994d71
hex1280521556bf

20342342244031 has 8 divisors (see below), whose sum is σ = 20600045772800. Its totient is φ = 20084643853560.

The previous prime is 20342342244023. The next prime is 20342342244043. The reversal of 20342342244031 is 13044224324302.

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

It is a cyclic number.

It is not a de Polignac number, because 20342342244031 - 23 = 20342342244023 is a prime.

It is a super-2 number, since 2×203423422440312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342342244001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7021546 + ... + 9486136.

It is an arithmetic number, because the mean of its divisors is an integer number (2575005721600).

Almost surely, 220342342244031 is an apocalyptic number.

20342342244031 is a deficient number, since it is larger than the sum of its proper divisors (257703528769).

20342342244031 is a wasteful number, since it uses less digits than its factorization.

20342342244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569149.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 20342342244031 its reverse (13044224324302), we get a palindrome (33386566568333).

The spelling of 20342342244031 in words is "twenty trillion, three hundred forty-two billion, three hundred forty-two million, two hundred forty-four thousand, thirty-one".

Divisors: 1 79 104479 2464591 8253841 194702689 257498003089 20342342244031