Search a number
-
+
140000250281 = 713781352147
BaseRepresentation
bin1000001001100010101…
…0100100100110101001
3111101100212011121001212
42002120222210212221
54243210031002111
6144152031122505
713054223330663
oct2023052444651
9441325147055
10140000250281
1154412545191
1223171973435
131028194bba8
146ac1695533
153995c7098b
hex2098aa49a9

140000250281 has 8 divisors (see below), whose sum is σ = 141978561984. Its totient is φ = 138022118640.

The previous prime is 140000250259. The next prime is 140000250307. The reversal of 140000250281 is 182052000041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140000250281 is a prime.

It is a super-2 number, since 2×1400002502812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140000250251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658650 + ... + 2710796.

It is an arithmetic number, because the mean of its divisors is an integer number (17747320248).

Almost surely, 2140000250281 is an apocalyptic number.

It is an amenable number.

140000250281 is a deficient number, since it is larger than the sum of its proper divisors (1978311703).

140000250281 is an equidigital number, since it uses as much as digits as its factorization.

140000250281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90031.

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 140000250281 in words is "one hundred forty billion, two hundred fifty thousand, two hundred eighty-one".

Divisors: 1 71 37813 52147 2684723 3702437 1971834511 140000250281