Search a number
-
+
126834183731 = 3371719121893
BaseRepresentation
bin111011000011111101…
…0000000111000110011
3110010101021220010010102
41312013322000320303
54034224022334411
6134133344423015
712110032526213
oct1660772007063
9403337803112
10126834183731
1149876654552
12206b8617a6b
13bc64044378
1461d2c5c243
153474e68d3b
hex1d87e80e33

126834183731 has 8 divisors (see below), whose sum is σ = 127223757024. Its totient is φ = 126444689280.

The previous prime is 126834183709. The next prime is 126834183733. The reversal of 126834183731 is 137381438621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126834183731 is a prime.

It is a super-2 number, since 2×1268341837312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126834183733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5782421 + ... + 5804313.

It is an arithmetic number, because the mean of its divisors is an integer number (15902969628).

Almost surely, 2126834183731 is an apocalyptic number.

126834183731 is a deficient number, since it is larger than the sum of its proper divisors (389573293).

126834183731 is a wasteful number, since it uses less digits than its factorization.

126834183731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39421.

The product of its digits is 580608, while the sum is 47.

The spelling of 126834183731 in words is "one hundred twenty-six billion, eight hundred thirty-four million, one hundred eighty-three thousand, seven hundred thirty-one".

Divisors: 1 337 17191 21893 5793367 7377941 376362563 126834183731