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2140674668 = 2211131371387
BaseRepresentation
bin111111110011000…
…0001101001101100
312112012001112120222
41333212001221230
513341003042133
6552230030512
7104022302006
oct17746015154
95465045528
102140674668
119a939a620
124b8aa8438
1328165c802
14164437376
15c7dede98
hex7f981a6c

2140674668 has 24 divisors (see below), whose sum is σ = 4117950144. Its totient is φ = 965603600.

The previous prime is 2140674659. The next prime is 2140674671. The reversal of 2140674668 is 8664760412.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 7 ways as a sum of consecutive naturals, for example, 179930 + ... + 191457.

It is an arithmetic number, because the mean of its divisors is an integer number (171581256).

Almost surely, 22140674668 is an apocalyptic number.

It is an amenable number.

2140674668 is a deficient number, since it is larger than the sum of its proper divisors (1977275476).

2140674668 is a wasteful number, since it uses less digits than its factorization.

2140674668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371533 (or 371531 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2140674668 is about 46267.4255605388. The cubic root of 2140674668 is about 1288.7941514933.

The spelling of 2140674668 in words is "two billion, one hundred forty million, six hundred seventy-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 131 262 524 1441 2882 5764 371387 742774 1485548 4085257 8170514 16341028 48651697 97303394 194606788 535168667 1070337334 2140674668