Search a number
-
+
140730798840 = 23351609728873
BaseRepresentation
bin1000001100010000110…
…1011001001011111000
3111110020202211022021220
42003010031121023320
54301204041030330
6144352325232040
713111304024112
oct2030415311370
9443222738256
10140730798840
115475795a125
1223336562620
131036a0c5b48
146b507023b2
1539d9e79710
hex20c43592f8

140730798840 has 64 divisors (see below), whose sum is σ = 422455370400. Its totient is φ = 37504837632.

The previous prime is 140730798833. The next prime is 140730798841. The reversal of 140730798840 is 48897037041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140730798841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171357 + ... + 557516.

Almost surely, 2140730798840 is an apocalyptic number.

140730798840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140730798840 is an abundant number, since it is smaller than the sum of its proper divisors (281724571560).

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

140730798840 is a wasteful number, since it uses less digits than its factorization.

140730798840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730496 (or 730492 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 140730798840 in words is "one hundred forty billion, seven hundred thirty million, seven hundred ninety-eight thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1609 3218 4827 6436 8045 9654 12872 16090 19308 24135 32180 38616 48270 64360 96540 193080 728873 1457746 2186619 2915492 3644365 4373238 5830984 7288730 8746476 10933095 14577460 17492952 21866190 29154920 43732380 87464760 1172756657 2345513314 3518269971 4691026628 5863783285 7036539942 9382053256 11727566570 14073079884 17591349855 23455133140 28146159768 35182699710 46910266280 70365399420 140730798840