Search a number
-
+
140357858840 = 23559547108727
BaseRepresentation
bin1000001010110111111…
…0101111011000011000
3111102021210001222210022
42002231332233120120
54244423102440330
6144251324010012
713066125054353
oct2025576573030
9442253058708
10140357858840
1154586396851
1223251690908
131030aa6a2a4
146b16d8329a
1539b735dae5
hex20adfaf618

140357858840 has 64 divisors (see below), whose sum is σ = 321747897600. Its totient is φ = 55090159488.

The previous prime is 140357858831. The next prime is 140357858887. The reversal of 140357858840 is 48858753041.

It is a super-2 number, since 2×1403578588402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236557 + ... + 1345283.

It is an arithmetic number, because the mean of its divisors is an integer number (5027310900).

Almost surely, 2140357858840 is an apocalyptic number.

140357858840 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 140357858840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160873948800).

140357858840 is an abundant number, since it is smaller than the sum of its proper divisors (181390038760).

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

140357858840 is a wasteful number, since it uses less digits than its factorization.

140357858840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109344 (or 109340 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 140357858840 in words is "one hundred forty billion, three hundred fifty-seven million, eight hundred fifty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 547 590 1094 1180 2188 2360 2735 4376 5470 10940 21880 32273 64546 108727 129092 161365 217454 258184 322730 434908 543635 645460 869816 1087270 1290920 2174540 4349080 6414893 12829786 25659572 32074465 51319144 59473669 64148930 118947338 128297860 237894676 256595720 297368345 475789352 594736690 1189473380 2378946760 3508946471 7017892942 14035785884 17544732355 28071571768 35089464710 70178929420 140357858840