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2142576366 = 23751013723
BaseRepresentation
bin111111110110101…
…0001111011101110
312112022122011020020
41333231101323232
513341444420431
6552334503010
7104044412220
oct17755217356
95468564206
102142576366
119aa479377
124b9664a66
13281b77288
141647b0410
15c8177696
hex7fb51eee

2142576366 has 16 divisors (see below), whose sum is σ = 4897317504. Its totient is φ = 612164664.

The previous prime is 2142576349. The next prime is 2142576367. The reversal of 2142576366 is 6636752412.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 51013723 = 2142576366 / (2 + 1 + 4 + 2 + 5 + 7 + 6 + 3 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142576367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25506820 + ... + 25506903.

It is an arithmetic number, because the mean of its divisors is an integer number (306082344).

Almost surely, 22142576366 is an apocalyptic number.

2142576366 is an abundant number, since it is smaller than the sum of its proper divisors (2754741138).

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

2142576366 is a wasteful number, since it uses less digits than its factorization.

2142576366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51013735.

The product of its digits is 362880, while the sum is 42.

The square root of 2142576366 is about 46287.9721526014. The cubic root of 2142576366 is about 1289.1756779177.

The spelling of 2142576366 in words is "two billion, one hundred forty-two million, five hundred seventy-six thousand, three hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 51013723 102027446 153041169 306082338 357096061 714192122 1071288183 2142576366