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2078761206886 = 271311421764873
BaseRepresentation
bin11110001111111111110…
…100101100010001100110
321100201122102221201021121
4132033333310230101212
5233024300332110021
64230545243004154
7303120432500650
oct36177764542146
97321572851247
102078761206886
11731663565301
12296a64b0965a
13121045b415c0
1472880cbb6d0
153911784b741
hex1e3ffd2c466

2078761206886 has 16 divisors (see below), whose sum is σ = 3837712997664. Its totient is φ = 822367070784.

The previous prime is 2078761206871. The next prime is 2078761206889. The reversal of 2078761206886 is 6886021678702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078761206889) 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, 5710882255 + ... + 5710882618.

It is an arithmetic number, because the mean of its divisors is an integer number (239857062354).

Almost surely, 22078761206886 is an apocalyptic number.

2078761206886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2078761206886 is a deficient number, since it is larger than the sum of its proper divisors (1758951790778).

2078761206886 is a wasteful number, since it uses less digits than its factorization.

2078761206886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11421764895.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 2078761206886 in words is "two trillion, seventy-eight billion, seven hundred sixty-one million, two hundred six thousand, eight hundred eighty-six".

Divisors: 1 2 7 13 14 26 91 182 11421764873 22843529746 79952354111 148482943349 159904708222 296965886698 1039380603443 2078761206886