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2149982064 = 243214930431
BaseRepresentation
bin1000000000100110…
…0001111101110000
312112211120101221100
42000021201331300
513400343411224
6553201324400
7104164355166
oct20011417560
95484511840
102149982064
11a0367738a
12500036700
1328356b049
1416577b236
15c8b3bac9
hex80261f70

2149982064 has 30 divisors (see below), whose sum is σ = 6016964096. Its totient is φ = 716660640.

The previous prime is 2149982059. The next prime is 2149982101. The reversal of 2149982064 is 4602899412.

2149982064 is a `hidden beast` number, since 21 + 499 + 82 + 0 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7465072 + ... + 7465359.

Almost surely, 22149982064 is an apocalyptic number.

2149982064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2149982064 is an abundant number, since it is smaller than the sum of its proper divisors (3866982032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2149982064 is a wasteful number, since it uses less digits than its factorization.

2149982064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14930445 (or 14930436 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2149982064 is about 46367.8990682131. The cubic root of 2149982064 is about 1290.6592916207.

The spelling of 2149982064 in words is "two billion, one hundred forty-nine million, nine hundred eighty-two thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 14930431 29860862 44791293 59721724 89582586 119443448 134373879 179165172 238886896 268747758 358330344 537495516 716660688 1074991032 2149982064