Search a number
-
+
140813474740 = 22529242781853
BaseRepresentation
bin1000001100100100100…
…0110001101110110100
3111110110112101200022021
42003021020301232310
54301341222142430
6144404441242524
713113326533531
oct2031110615664
9443415350267
10140813474740
115479a598814
122335a193444
13103812821b3
146b5b6a3d88
1539e235b07a
hex20c9231bb4

140813474740 has 24 divisors (see below), whose sum is σ = 305905136040. Its totient is φ = 54383134848.

The previous prime is 140813474729. The next prime is 140813474771. The reversal of 140813474740 is 47474318041.

It can be written as a sum of positive squares in 4 ways, for example, as 11554530064 + 129258944676 = 107492^2 + 359526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121390347 + ... + 121391506.

It is an arithmetic number, because the mean of its divisors is an integer number (12746047335).

Almost surely, 2140813474740 is an apocalyptic number.

140813474740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140813474740 is an abundant number, since it is smaller than the sum of its proper divisors (165091661300).

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

140813474740 is a wasteful number, since it uses less digits than its factorization.

140813474740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242781891 (or 242781889 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 140813474740 in words is "one hundred forty billion, eight hundred thirteen million, four hundred seventy-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 242781853 485563706 971127412 1213909265 2427818530 4855637060 7040673737 14081347474 28162694948 35203368685 70406737370 140813474740