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2105996308 = 221347984551
BaseRepresentation
bin111110110000110…
…1111010000010100
312102202210200211021
41331201233100110
513303113340213
6544550450524
7103121446633
oct17541572024
95382720737
102105996308
11990864219
124a9363a44
1327740a280
1415d9ab51a
15c4d4dd8d
hex7d86f414

2105996308 has 24 divisors (see below), whose sum is σ = 3977326080. Its totient is φ = 969957600.

The previous prime is 2105996293. The next prime is 2105996317. The reversal of 2105996308 is 8036995012.

It is a happy number.

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, 17368 + ... + 67183.

It is an arithmetic number, because the mean of its divisors is an integer number (165721920).

Almost surely, 22105996308 is an apocalyptic number.

It is an amenable number.

2105996308 is a deficient number, since it is larger than the sum of its proper divisors (1871329772).

2105996308 is a wasteful number, since it uses less digits than its factorization.

2105996308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85047 (or 85045 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 2105996308 is about 45891.1353967190. The cubic root of 2105996308 is about 1281.7968554749.

The spelling of 2105996308 in words is "two billion, one hundred five million, nine hundred ninety-six thousand, three hundred eight".

Divisors: 1 2 4 13 26 52 479 958 1916 6227 12454 24908 84551 169102 338204 1099163 2198326 4396652 40499929 80999858 161999716 526499077 1052998154 2105996308