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61077631306 = 2191875785691
BaseRepresentation
bin111000111000100000…
…101011000101001010
312211122121100010222211
4320320200223011022
52000041333200211
644020401335334
74261363204636
oct707040530512
9184577303884
1061077631306
11239a280444a
12ba0693754a
1359b4aa8553
142d55a4bdc6
1518c716ae21
hexe3882b14a

61077631306 has 16 divisors (see below), whose sum is σ = 96444632160. Its totient is φ = 28929629520.

The previous prime is 61077631291. The next prime is 61077631309. The reversal of 61077631306 is 60313677016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61077631309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669921 + ... + 755611.

It is an arithmetic number, because the mean of its divisors is an integer number (6027789510).

Almost surely, 261077631306 is an apocalyptic number.

61077631306 is a deficient number, since it is larger than the sum of its proper divisors (35367000854).

61077631306 is a wasteful number, since it uses less digits than its factorization.

61077631306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104469.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 61077631306 in words is "sixty-one billion, seventy-seven million, six hundred thirty-one thousand, three hundred six".

Divisors: 1 2 19 38 18757 37514 85691 171382 356383 712766 1628129 3256258 1607306087 3214612174 30538815653 61077631306