Search a number
-
+
140243130430 = 251323325714401
BaseRepresentation
bin1000001010011100100…
…1000101100000111110
3111101222210012011222221
42002213021011200332
54244204220133210
6144232104555554
713063232640244
oct2024711054076
9441883164887
10140243130430
1154527655687
122321b182bba
13102c006a960
146b05a3a794
1539ac24a1da
hex20a724583e

140243130430 has 64 divisors (see below), whose sum is σ = 283782538368. Its totient is φ = 49512038400.

The previous prime is 140243130413. The next prime is 140243130431. The reversal of 140243130430 is 34031342041.

It is a junction number, because it is equal to n+sod(n) for n = 140243130395 and 140243130404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140243130431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9731230 + ... + 9745630.

It is an arithmetic number, because the mean of its divisors is an integer number (4434102162).

Almost surely, 2140243130430 is an apocalyptic number.

140243130430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140243130430 is an abundant number, since it is smaller than the sum of its proper divisors (143539407938).

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

140243130430 is a wasteful number, since it uses less digits than its factorization.

140243130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17701.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 140243130430 its reverse (34031342041), we get a palindrome (174274472471).

The spelling of 140243130430 in words is "one hundred forty billion, two hundred forty-three million, one hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 3257 6514 14401 16285 28802 32570 42341 72005 74911 84682 144010 149822 187213 211705 331223 374426 374555 423410 662446 749110 936065 973843 1656115 1872130 1947686 3312230 4305899 4869215 8611798 9738430 21529495 43058990 46904057 93808114 234520285 469040570 609752741 1078793311 1219505482 2157586622 3048763705 5393966555 6097527410 10787933110 14024313043 28048626086 70121565215 140243130430