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2149959212 = 221943736469
BaseRepresentation
bin1000000000100101…
…1100011000101100
312112211112020120222
42000021130120230
513400342143322
6553201030512
7104164231442
oct20011343054
95484466528
102149959212
11a036611a5
12500025438
1328356081b
14165772b92
15c8b34e42
hex8025c62c

2149959212 has 24 divisors (see below), whose sum is σ = 3961969200. Its totient is φ = 1018011456.

The previous prime is 2149959197. The next prime is 2149959241. The reversal of 2149959212 is 2129599412.

It is a super-2 number, since 2×21499592122 = 9244649226527321888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329114 + ... + 335582.

It is an arithmetic number, because the mean of its divisors is an integer number (165082050).

Almost surely, 22149959212 is an apocalyptic number.

It is an amenable number.

2149959212 is a deficient number, since it is larger than the sum of its proper divisors (1812009988).

2149959212 is a wasteful number, since it uses less digits than its factorization.

2149959212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865 (or 10863 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 2149959212 is about 46367.6526470771. The cubic root of 2149959212 is about 1290.6547188305.

The spelling of 2149959212 in words is "two billion, one hundred forty-nine million, nine hundred fifty-nine thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 4373 6469 8746 12938 17492 25876 83087 122911 166174 245822 332348 491644 28288937 56577874 113155748 537489803 1074979606 2149959212