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140130815740 = 225431381117989
BaseRepresentation
bin1000001010000001110…
…0101000111011111100
3111101200221212000012121
42002200130220323330
54243441442100430
6144213013412324
713060400165206
oct2024034507374
9441627760177
10140130815740
115447a212a23
12231a963a0a4
13102a2a04b66
146ad4b61776
1539a2461a7a
hex20a0728efc

140130815740 has 48 divisors (see below), whose sum is σ = 301338908640. Its totient is φ = 54708675840.

The previous prime is 140130815717. The next prime is 140130815743. The reversal of 140130815740 is 47518031041.

It is a junction number, because it is equal to n+sod(n) for n = 140130815696 and 140130815705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140130815743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128666 + ... + 1246654.

It is an arithmetic number, because the mean of its divisors is an integer number (6277893930).

Almost surely, 2140130815740 is an apocalyptic number.

140130815740 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 140130815740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150669454320).

140130815740 is an abundant number, since it is smaller than the sum of its proper divisors (161208092900).

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

140130815740 is a wasteful number, since it uses less digits than its factorization.

140130815740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119422 (or 119420 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 140130815740 its reverse (47518031041), we get a palindrome (187648846781).

The spelling of 140130815740 in words is "one hundred forty billion, one hundred thirty million, eight hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 1381 2762 5524 6905 13810 27620 59383 117989 118766 235978 237532 296915 471956 589945 593830 1179890 1187660 2359780 5073527 10147054 20294108 25367635 50735270 101470540 162942809 325885618 651771236 814714045 1629428090 3258856180 7006540787 14013081574 28026163148 35032703935 70065407870 140130815740