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61068107782 = 2115197153411
BaseRepresentation
bin111000110111111100…
…010110000000000110
312211121221102022011201
4320313330112000012
52000031413422112
644015421253114
74261216231363
oct706774260006
9184557368151
1061068107782
112399839a270
12ba0370419a
1359b2b22826
142d5468d46a
1518c63d9257
hexe37f16006

61068107782 has 16 divisors (see below), whose sum is σ = 99933424704. Its totient is φ = 27757177000.

The previous prime is 61068107759. The next prime is 61068107923. The reversal of 61068107782 is 28770186016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116657 + ... + 1170067.

It is an arithmetic number, because the mean of its divisors is an integer number (6245839044).

Almost surely, 261068107782 is an apocalyptic number.

61068107782 is a deficient number, since it is larger than the sum of its proper divisors (38865316922).

61068107782 is a wasteful number, since it uses less digits than its factorization.

61068107782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105395.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 61068107782 in words is "sixty-one billion, sixty-eight million, one hundred seven thousand, seven hundred eighty-two".

Divisors: 1 2 11 22 51971 53411 103942 106822 571681 587521 1143362 1175042 2775823081 5551646162 30534053891 61068107782