Search a number
-
+
140456756140 = 2254147139157167
BaseRepresentation
bin1000001011001111100…
…0000000001110101100
3111102112200011111101021
42002303320000032230
54300123412144030
6144305215423524
713101435504601
oct2026370001654
9442480144337
10140456756140
11546271a4858
122327a824ba4
13103253b5bbc
146b261686a8
1539c0d9697a
hex20b3e003ac

140456756140 has 192 divisors, whose sum is σ = 314654699520. Its totient is φ = 52604098560.

The previous prime is 140456756119. The next prime is 140456756147. The reversal of 140456756140 is 41657654041.

It is not an unprimeable number, because it can be changed into a prime (140456756147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 841058337 + ... + 841058503.

It is an arithmetic number, because the mean of its divisors is an integer number (1638826560).

Almost surely, 2140456756140 is an apocalyptic number.

140456756140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140456756140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157327349760).

140456756140 is an abundant number, since it is smaller than the sum of its proper divisors (174197943380).

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

140456756140 is a wasteful number, since it uses less digits than its factorization.

140456756140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 140456756140 in words is "one hundred forty billion, four hundred fifty-six million, seven hundred fifty-six thousand, one hundred forty".