Search a number
-
+
40050310025281 is a prime number
BaseRepresentation
bin10010001101100111100001…
…00000001001000001000001
312020210202211222010002200011
421012303300200021001001
520222141013331302111
6221102505230424521
711302353006152203
oct1106636040110101
9166722758102604
1040050310025281
1111841271999766
1245aa027962141
1319469606354aa
149c663406c773
15496c01901021
hex246cf0809041

40050310025281 has 2 divisors, whose sum is σ = 40050310025282. Its totient is φ = 40050310025280.

The previous prime is 40050310025269. The next prime is 40050310025543. The reversal of 40050310025281 is 18252001305004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22464196808881 + 17586113216400 = 4739641^2 + 4193580^2 .

It is a cyclic number.

It is not a de Polignac number, because 40050310025281 - 27 = 40050310025153 is a prime.

It is a super-2 number, since 2×400503100252812 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40050310025581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025155012640 + 20025155012641.

It is an arithmetic number, because the mean of its divisors is an integer number (20025155012641).

Almost surely, 240050310025281 is an apocalyptic number.

It is an amenable number.

40050310025281 is a deficient number, since it is larger than the sum of its proper divisors (1).

40050310025281 is an equidigital number, since it uses as much as digits as its factorization.

40050310025281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 40050310025281 in words is "forty trillion, fifty billion, three hundred ten million, twenty-five thousand, two hundred eighty-one".