Search a number
-
+
36331404420 = 22351931869653
BaseRepresentation
bin100001110101100001…
…010011110010000100
310110202222221120110010
4201311201103302010
51043401314420140
624405044030220
72424216561603
oct416541236204
9113688846403
1036331404420
1114454148973
12705b392370
133570005c4c
141a89283a3a
15e298c5880
hex875853c84

36331404420 has 48 divisors (see below), whose sum is σ = 107082037440. Its totient is φ = 9178459776.

The previous prime is 36331404379. The next prime is 36331404437. The reversal of 36331404420 is 2440413363.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15933687 + ... + 15935966.

It is an arithmetic number, because the mean of its divisors is an integer number (2230875780).

Almost surely, 236331404420 is an apocalyptic number.

36331404420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36331404420 is an abundant number, since it is smaller than the sum of its proper divisors (70750633020).

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

36331404420 is a wasteful number, since it uses less digits than its factorization.

36331404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31869684 (or 31869682 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 36331404420 its reverse (2440413363), we get a palindrome (38771817783).

The spelling of 36331404420 in words is "thirty-six billion, three hundred thirty-one million, four hundred four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 31869653 63739306 95608959 127478612 159348265 191217918 318696530 382435836 478044795 605523407 637393060 956089590 1211046814 1816570221 1912179180 2422093628 3027617035 3633140442 6055234070 7266280884 9082851105 12110468140 18165702210 36331404420