Search a number
-
+
2040140123 = 71390320963
BaseRepresentation
bin111100110011010…
…0001000101011011
312021011212212010022
41321212201011123
513134233440443
6534235141055
7101361622250
oct17146410533
95234785108
102040140123
1195767351a
1248b2a478b
1326688c908
14154d47427
15be190e68
hex799a115b

2040140123 has 8 divisors (see below), whose sum is σ = 2331867648. Its totient is φ = 1748482344.

The previous prime is 2040140099. The next prime is 2040140153. The reversal of 2040140123 is 3210410402.

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

It is not a de Polignac number, because 2040140123 - 210 = 2040139099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040140153) 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, 86840 + ... + 107802.

It is an arithmetic number, because the mean of its divisors is an integer number (291483456).

Almost surely, 22040140123 is an apocalyptic number.

2040140123 is a deficient number, since it is larger than the sum of its proper divisors (291727525).

2040140123 is a wasteful number, since it uses less digits than its factorization.

2040140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34873.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2040140123 is about 45167.9103235915. The cubic root of 2040140123 is about 1268.2941785031.

Adding to 2040140123 its reverse (3210410402), we get a palindrome (5250550525).

The spelling of 2040140123 in words is "two billion, forty million, one hundred forty thousand, one hundred twenty-three".

Divisors: 1 7 13903 20963 97321 146741 291448589 2040140123