Search a number
-
+
140403151540 = 2257020157577
BaseRepresentation
bin1000001011000010101…
…1100001001010110100
3111102101221022002200201
42002300223201022310
54300021201322130
6144300022450244
713100215045141
oct2026053411264
9442357262621
10140403151540
11545a9a11933
1223264893984
1310317267bc2
146b1cdb33c8
1539bb308bca
hex20b0ae12b4

140403151540 has 12 divisors (see below), whose sum is σ = 294846618276. Its totient is φ = 56161260608.

The previous prime is 140403151523. The next prime is 140403151579. The reversal of 140403151540 is 45151304041.

140403151540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15401306404 + 125001845136 = 124102^2 + 353556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140403151499 and 140403151508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510078769 + ... + 3510078808.

It is an arithmetic number, because the mean of its divisors is an integer number (24570551523).

Almost surely, 2140403151540 is an apocalyptic number.

140403151540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140403151540 is an abundant number, since it is smaller than the sum of its proper divisors (154443466736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140403151540 is a wasteful number, since it uses less digits than its factorization.

140403151540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020157586 (or 7020157584 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 140403151540 its reverse (45151304041), we get a palindrome (185554455581).

The spelling of 140403151540 in words is "one hundred forty billion, four hundred three million, one hundred fifty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 7020157577 14040315154 28080630308 35100787885 70201575770 140403151540