Search a number
-
+
140123030331 = 397481522441
BaseRepresentation
bin1000001001111111111…
…0111100001100111011
3111101200102012110122010
42002133332330030323
54243432443432311
6144212134501003
713060244051214
oct2023776741473
9441612173563
10140123030331
11544758856a9
12231a6b04763
13102a120a2cb
146ad3ad640b
1539a1924da6
hex209ffbc33b

140123030331 has 8 divisors (see below), whose sum is σ = 188756797264. Its totient is φ = 92452308480.

The previous prime is 140123030309. The next prime is 140123030407. The reversal of 140123030331 is 133030321041.

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

It is not a de Polignac number, because 140123030331 - 210 = 140123029307 is a prime.

It is a super-2 number, since 2×1401230303312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140123030298 and 140123030307.

It is not an unprimeable number, because it can be changed into a prime (140123030731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240760930 + ... + 240761511.

It is an arithmetic number, because the mean of its divisors is an integer number (23594599658).

Almost surely, 2140123030331 is an apocalyptic number.

140123030331 is a deficient number, since it is larger than the sum of its proper divisors (48633766933).

140123030331 is an equidigital number, since it uses as much as digits as its factorization.

140123030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481522541.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 140123030331 its reverse (133030321041), we get a palindrome (273153351372).

The spelling of 140123030331 in words is "one hundred forty billion, one hundred twenty-three million, thirty thousand, three hundred thirty-one".

Divisors: 1 3 97 291 481522441 1444567323 46707676777 140123030331