Search a number
-
+
56662280142 = 23138318614703
BaseRepresentation
bin110100110001010101…
…011100011111001110
312102020220002001212020
4310301111130133032
51412021020431032
642010313151010
74044100302006
oct646125343716
9172226061766
1056662280142
112203741a7a6
12ab940bb466
1354600cc120
142a57499006
1517196edb2c
hexd3155c7ce

56662280142 has 64 divisors (see below), whose sum is σ = 123604862976. Its totient is φ = 17211576960.

The previous prime is 56662280107. The next prime is 56662280173. The reversal of 56662280142 is 24108226665.

It is a happy number.

It is a super-2 number, since 2×566622801422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56662280094 and 56662280103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12045763 + ... + 12050465.

It is an arithmetic number, because the mean of its divisors is an integer number (1931325984).

Almost surely, 256662280142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56662280142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61802431488).

56662280142 is an abundant number, since it is smaller than the sum of its proper divisors (66942582834).

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

56662280142 is a wasteful number, since it uses less digits than its factorization.

56662280142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 56662280142 in words is "fifty-six billion, six hundred sixty-two million, two hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 83 166 249 498 1079 1861 2158 3237 3722 4703 5583 6474 9406 11166 14109 24193 28218 48386 61139 72579 122278 145158 154463 183417 308926 366834 390349 463389 780698 926778 1171047 2008019 2342094 4016038 5074537 6024057 8752283 10149074 12048114 15223611 17504566 26256849 30447222 52513698 113779679 227559358 341339037 682678074 726439489 1452878978 2179318467 4358636934 9443713357 18887426714 28331140071 56662280142