Search a number
-
+
61074620343 = 32111647737441
BaseRepresentation
bin111000111000010101…
…001011111110110111
312211122101200011201200
4320320111023332313
52000040100322333
644020213023543
74261325464422
oct707025137667
9184571604650
1061074620343
11239a1038250
12ba05924bb3
1359b4292c09
142d554a69b9
1518c6c73c13
hexe3854bfb7

61074620343 has 24 divisors (see below), whose sum is σ = 96247207056. Its totient is φ = 37011686400.

The previous prime is 61074620303. The next prime is 61074620353. The reversal of 61074620343 is 34302647016.

It is a happy number.

61074620343 is a `hidden beast` number, since 610 + 7 + 4 + 6 + 2 + 0 + 34 + 3 = 666.

It is not a de Polignac number, because 61074620343 - 212 = 61074616247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61074620298 and 61074620307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61074620303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612503 + ... + 1649943.

It is an arithmetic number, because the mean of its divisors is an integer number (4010300294).

Almost surely, 261074620343 is an apocalyptic number.

61074620343 is a deficient number, since it is larger than the sum of its proper divisors (35172586713).

61074620343 is a wasteful number, since it uses less digits than its factorization.

61074620343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53935 (or 53932 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 61074620343 in words is "sixty-one billion, seventy-four million, six hundred twenty thousand, three hundred forty-three".

Divisors: 1 3 9 11 33 99 16477 37441 49431 112323 148293 181247 336969 411851 543741 1235553 1631223 3706659 616915357 1850746071 5552238213 6786068927 20358206781 61074620343