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61144316119 = 1959241722567
BaseRepresentation
bin111000111100011111…
…000011100011010111
312211211020211002100201
4320330133003203113
52000210421103434
644031142521331
74263133053205
oct707437034327
9184736732321
1061144316119
1123a27410767
12ba25136247
1359c5856113
142d6084a075
1518cce3e614
hexe3c7c38d7

61144316119 has 16 divisors (see below), whose sum is σ = 65483308800. Its totient is φ = 56918312064.

The previous prime is 61144316113. The next prime is 61144316131. The reversal of 61144316119 is 91161344116.

It is a cyclic number.

It is not a de Polignac number, because 61144316119 - 25 = 61144316087 is a prime.

It is a super-2 number, since 2×611443161192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61144316113) 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, 2698174 + ... + 2720740.

It is an arithmetic number, because the mean of its divisors is an integer number (4092706800).

Almost surely, 261144316119 is an apocalyptic number.

61144316119 is a deficient number, since it is larger than the sum of its proper divisors (4338992681).

61144316119 is a wasteful number, since it uses less digits than its factorization.

61144316119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062.

The product of its digits is 15552, while the sum is 37.

The spelling of 61144316119 in words is "sixty-one billion, one hundred forty-four million, three hundred sixteen thousand, one hundred nineteen".

Divisors: 1 19 59 1121 2417 22567 45923 142603 428773 1331453 2709457 25297607 54544439 1036344341 3218121901 61144316119