Search a number
-
+
61061065002 = 2337161537209
BaseRepresentation
bin111000110111100001…
…011110100100101010
312211121110011111022000
4320313201132210222
52000023113040002
644015010311430
74261102326450
oct706741364452
9184543144260
1061061065002
1123994419993
12ba01288576
1359b1527cc2
142d537789d0
1518c599761c
hexe3785e92a

61061065002 has 32 divisors (see below), whose sum is σ = 155075721600. Its totient is φ = 17446018464.

The previous prime is 61061064979. The next prime is 61061065003. The reversal of 61061065002 is 20056016016.

It is a happy number.

61061065002 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 1 + 0 + 650 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61061065003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80768227 + ... + 80768982.

It is an arithmetic number, because the mean of its divisors is an integer number (4846116300).

Almost surely, 261061065002 is an apocalyptic number.

61061065002 is an abundant number, since it is smaller than the sum of its proper divisors (94014656598).

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

61061065002 is a wasteful number, since it uses less digits than its factorization.

61061065002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161537227 (or 161537221 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 61061065002 in words is "sixty-one billion, sixty-one million, sixty-five thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 161537209 323074418 484611627 969223254 1130760463 1453834881 2261520926 2907669762 3392281389 4361504643 6784562778 8723009286 10176844167 20353688334 30530532501 61061065002