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2100679970 = 251731398611
BaseRepresentation
bin111110100110101…
…1101010100100010
312102101210121011212
41331031131110202
513300233224340
6544240510122
7103025325254
oct17515352442
95371717155
102100679970
11988862a54
124a761b342
132762984cc
1415cdc5cd4
15c464da65
hex7d35d522

2100679970 has 32 divisors (see below), whose sum is σ = 4132809216. Its totient is φ = 765331200.

The previous prime is 2100679969. The next prime is 2100680009. The reversal of 2100679970 is 799760012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194036 + ... + 204575.

It is an arithmetic number, because the mean of its divisors is an integer number (129150288).

Almost surely, 22100679970 is an apocalyptic number.

2100679970 is a deficient number, since it is larger than the sum of its proper divisors (2032129246).

2100679970 is a wasteful number, since it uses less digits than its factorization.

2100679970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398666.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 2100679970 is about 45833.1754300310. The cubic root of 2100679970 is about 1280.7173652176.

The spelling of 2100679970 in words is "two billion, one hundred million, six hundred seventy-nine thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2635 5270 398611 797222 1993055 3986110 6776387 12356941 13552774 24713882 33881935 61784705 67763870 123569410 210067997 420135994 1050339985 2100679970