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40888450231 is a prime number
BaseRepresentation
bin100110000101001001…
…000011110010110111
310220112120211111002121
4212011021003302313
51132214420401411
630441153220411
72645153043466
oct460511036267
9126476744077
1040888450231
1116382511932
127b11561707
133b18163b65
141d9c59c9dd
1510e49d1571
hex985243cb7

40888450231 has 2 divisors, whose sum is σ = 40888450232. Its totient is φ = 40888450230.

The previous prime is 40888450223. The next prime is 40888450271. The reversal of 40888450231 is 13205488804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40888450231 - 23 = 40888450223 is a prime.

It is a super-2 number, since 2×408884502312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40888450271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20444225115 + 20444225116.

It is an arithmetic number, because the mean of its divisors is an integer number (20444225116).

Almost surely, 240888450231 is an apocalyptic number.

40888450231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40888450231 is an equidigital number, since it uses as much as digits as its factorization.

40888450231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 40888450231 in words is "forty billion, eight hundred eighty-eight million, four hundred fifty thousand, two hundred thirty-one".