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76768000210 = 251110134719913
BaseRepresentation
bin100011101111110111…
…0101011100011010010
321100011002112110210001
41013133232223203102
52224210102001320
655133340400214
75355245143456
oct1073756534322
9240132473701
1076768000210
112a614597880
1212a6554606a
137315670cc5
143a03820666
151ee489e20a
hex11dfbab8d2

76768000210 has 64 divisors (see below), whose sum is σ = 152683346304. Its totient is φ = 27558208000.

The previous prime is 76768000171. The next prime is 76768000217. The reversal of 76768000210 is 1200086767.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 76768000210.

It is not an unprimeable number, because it can be changed into a prime (76768000217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3845214 + ... + 3865126.

It is an arithmetic number, because the mean of its divisors is an integer number (2385677286).

Almost surely, 276768000210 is an apocalyptic number.

76768000210 is the 175235-th heptagonal number.

76768000210 is a deficient number, since it is larger than the sum of its proper divisors (75915346094).

76768000210 is a wasteful number, since it uses less digits than its factorization.

76768000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20379.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 76768000210 its reverse (1200086767), we get a palindrome (77968086977).

The spelling of 76768000210 in words is "seventy-six billion, seven hundred sixty-eight million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 55 101 110 202 347 505 694 1010 1111 1735 2222 3470 3817 5555 7634 11110 19085 19913 35047 38170 39826 70094 99565 175235 199130 219043 350470 385517 438086 771034 1095215 1927585 2011213 2190430 3855170 4022426 6909811 10056065 13819622 20112130 22123343 34549055 44246686 69098110 76007921 110616715 152015842 221233430 380039605 697890911 760079210 1395781822 3489454555 6978909110 7676800021 15353600042 38384000105 76768000210