Search a number
-
+
42234234131 = 251168263881
BaseRepresentation
bin100111010101010110…
…110100010100010011
311001000101011101112202
4213111112310110103
51142443430443011
631222510113415
73023414031635
oct472526642423
9131011141482
1042234234131
1116a03140231
1282281ab86b
133ca0c0c1ab
1420891daa55
151172c1723b
hex9d55b4513

42234234131 has 4 divisors (see below), whose sum is σ = 42402498264. Its totient is φ = 42065970000.

The previous prime is 42234234109. The next prime is 42234234137. The reversal of 42234234131 is 13143243224.

42234234131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42234234131 - 26 = 42234234067 is a prime.

It is a super-2 number, since 2×422342341312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42234234094 and 42234234103.

It is not an unprimeable number, because it can be changed into a prime (42234234137) 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, 84131690 + ... + 84132191.

It is an arithmetic number, because the mean of its divisors is an integer number (10600624566).

Almost surely, 242234234131 is an apocalyptic number.

42234234131 is a deficient number, since it is larger than the sum of its proper divisors (168264133).

42234234131 is a wasteful number, since it uses less digits than its factorization.

42234234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168264132.

The product of its digits is 13824, while the sum is 29.

Adding to 42234234131 its reverse (13143243224), we get a palindrome (55377477355).

The spelling of 42234234131 in words is "forty-two billion, two hundred thirty-four million, two hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 251 168263881 42234234131