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61111056106 = 2199403171029
BaseRepresentation
bin111000111010100000…
…001011011011101010
312211201221020022012101
4320322200023123222
52000123412243411
644023554004014
74262250256222
oct707240133352
9184657208171
1061111056106
1123a0a663a51
12ba15b7660a
1359bb9ac339
142d5a26d082
1518ca06e8c1
hexe3a80b6ea

61111056106 has 16 divisors (see below), whose sum is σ = 96501967200. Its totient is φ = 28944094608.

The previous prime is 61111056037. The next prime is 61111056107. The reversal of 61111056106 is 60165011116.

61111056106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×611110561062 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61111056107) 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, 271800 + ... + 442828.

It is an arithmetic number, because the mean of its divisors is an integer number (6031372950).

Almost surely, 261111056106 is an apocalyptic number.

61111056106 is a deficient number, since it is larger than the sum of its proper divisors (35390911094).

61111056106 is a wasteful number, since it uses less digits than its factorization.

61111056106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180453.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 61111056106 in words is "sixty-one billion, one hundred eleven million, fifty-six thousand, one hundred six".

Divisors: 1 2 19 38 9403 18806 171029 178657 342058 357314 3249551 6499102 1608185687 3216371374 30555528053 61111056106