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2142135463 = 138311317569
BaseRepresentation
bin111111110101110…
…0110010010100111
312112021210202102111
41333223212102213
513341341313323
6552321221451
7104040564616
oct17753462247
95467722374
102142135463
119aa1a8096
124b9491887
13281a516a0
141646d787d
15c80dbc0d
hex7fae64a7

2142135463 has 16 divisors (see below), whose sum is σ = 2355504480. Its totient is φ = 1936134144.

The previous prime is 2142135451. The next prime is 2142135467. The reversal of 2142135463 is 3645312412.

It is a cyclic number.

It is not a de Polignac number, because 2142135463 - 213 = 2142127271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142135467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113143 + ... + 130711.

It is an arithmetic number, because the mean of its divisors is an integer number (147219030).

Almost surely, 22142135463 is an apocalyptic number.

2142135463 is a deficient number, since it is larger than the sum of its proper divisors (213369017).

2142135463 is a wasteful number, since it uses less digits than its factorization.

2142135463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778.

The product of its digits is 17280, while the sum is 31.

The square root of 2142135463 is about 46283.2092988375. The cubic root of 2142135463 is about 1289.0872422651.

Adding to 2142135463 its reverse (3645312412), we get a palindrome (5787447875).

The spelling of 2142135463 in words is "two billion, one hundred forty-two million, one hundred thirty-five thousand, four hundred sixty-three".

Divisors: 1 13 83 113 1079 1469 9379 17569 121927 228397 1458227 1985297 18956951 25808861 164779651 2142135463