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2078692990 = 2511179193547
BaseRepresentation
bin111101111100110…
…0101011001111110
312100212102112201021
41323321211121332
513224121133430
6542133334354
7102340412263
oct17371453176
95325375637
102078692990
119774058a0
124a01973ba
1327186a86a
1415a10126a
15c275907a
hex7be6567e

2078692990 has 64 divisors (see below), whose sum is σ = 4133410560. Its totient is φ = 746403840.

The previous prime is 2078692963. The next prime is 2078692999. The reversal of 2078692990 is 992968702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078692999) 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, 3799897 + ... + 3800443.

It is an arithmetic number, because the mean of its divisors is an integer number (64584540).

Almost surely, 22078692990 is an apocalyptic number.

2078692990 is a deficient number, since it is larger than the sum of its proper divisors (2054717570).

2078692990 is a wasteful number, since it uses less digits than its factorization.

2078692990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 2078692990 is about 45592.6857072491. The cubic root of 2078692990 is about 1276.2334320527.

The spelling of 2078692990 in words is "two billion, seventy-eight million, six hundred ninety-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 179 193 358 386 547 895 965 1094 1790 1930 1969 2123 2735 3938 4246 5470 6017 9845 10615 12034 19690 21230 30085 34547 60170 69094 97913 105571 172735 195826 211142 345470 380017 489565 527855 760034 979130 1055710 1077043 1161281 1900085 2154086 2322562 3800170 5385215 5806405 10770430 11612810 18897209 37794418 94486045 188972090 207869299 415738598 1039346495 2078692990