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61115872806006 = 2379128936440519
BaseRepresentation
bin11011110010101101001011…
…11000111000010001110110
322000101121202020221101010220
431321112211320320101312
531002310301414243011
6333552124441155210
715605322205330344
oct1571264570702166
9260347666841126
1061115872806006
1118523106a03197
126a307ba18bb06
132814281c67465
141114049d02994
1570eb6dcc2506
hex3795a5e38476

61115872806006 has 16 divisors (see below), whose sum is σ = 123778982899200. Its totient is φ = 20114084720808.

The previous prime is 61115872805989. The next prime is 61115872806049. The reversal of 61115872806006 is 60060827851116.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61115872806006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64468219786 + ... + 64468220733.

It is an arithmetic number, because the mean of its divisors is an integer number (7736186431200).

Almost surely, 261115872806006 is an apocalyptic number.

61115872806006 is an abundant number, since it is smaller than the sum of its proper divisors (62663110093194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61115872806006 is a wasteful number, since it uses less digits than its factorization.

61115872806006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128936440603.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 61115872806006 in words is "sixty-one trillion, one hundred fifteen billion, eight hundred seventy-two million, eight hundred six thousand, six".

Divisors: 1 2 3 6 79 158 237 474 128936440519 257872881038 386809321557 773618643114 10185978801001 20371957602002 30557936403003 61115872806006