Search a number
-
+
13142255340 = 22351012168689
BaseRepresentation
bin11000011110101011…
…01110011011101100
31020220220110202002210
430033111232123230
5203403404132330
610012032050420
7643451220144
oct141725563354
936826422083
1013142255340
115634507a55
122669393a10
1313159bb766
148c95d9924
1551dba18b0
hex30f56e6ec

13142255340 has 48 divisors (see below), whose sum is σ = 37162671840. Its totient is φ = 3469900800.

The previous prime is 13142255323. The next prime is 13142255341. The reversal of 13142255340 is 4355224131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13142255298 and 13142255307.

It is not an unprimeable number, because it can be changed into a prime (13142255341) 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, 1078285 + ... + 1090404.

It is an arithmetic number, because the mean of its divisors is an integer number (774222330).

Almost surely, 213142255340 is an apocalyptic number.

13142255340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13142255340 is an abundant number, since it is smaller than the sum of its proper divisors (24020416500).

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

13142255340 is a wasteful number, since it uses less digits than its factorization.

13142255340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168802 (or 2168800 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13142255340 its reverse (4355224131), we get a palindrome (17497479471).

The spelling of 13142255340 in words is "thirteen billion, one hundred forty-two million, two hundred fifty-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 101 202 303 404 505 606 1010 1212 1515 2020 3030 6060 2168689 4337378 6506067 8674756 10843445 13012134 21686890 26024268 32530335 43373780 65060670 130121340 219037589 438075178 657112767 876150356 1095187945 1314225534 2190375890 2628451068 3285563835 4380751780 6571127670 13142255340