Search a number
-
+
40401010231 = 479172149009
BaseRepresentation
bin100101101000000101…
…100111111000110111
310212021121121222010021
4211220011213320313
51130220124311411
630320541510011
72630113630561
oct455005477067
9125247558107
1040401010231
1116152353a5a
1279b6272307
133a6b18891a
141d53956331
1510b6ce9a71
hex968167e37

40401010231 has 8 divisors (see below), whose sum is σ = 40509705600. Its totient is φ = 40292417280.

The previous prime is 40401010217. The next prime is 40401010241. The reversal of 40401010231 is 13201010404.

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 40401010231 - 27 = 40401010103 is a prime.

It is a super-2 number, since 2×404010102312 (a number of 22 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 (40401010241) 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, 799855 + ... + 848863.

It is an arithmetic number, because the mean of its divisors is an integer number (5063713200).

Almost surely, 240401010231 is an apocalyptic number.

40401010231 is a deficient number, since it is larger than the sum of its proper divisors (108695369).

40401010231 is a wasteful number, since it uses less digits than its factorization.

40401010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51209.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 40401010231 its reverse (13201010404), we get a palindrome (53602020635).

The spelling of 40401010231 in words is "forty billion, four hundred one million, ten thousand, two hundred thirty-one".

Divisors: 1 479 1721 49009 824359 23475311 84344489 40401010231