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2142434433 = 31989422321
BaseRepresentation
bin111111110110010…
…1111010010000001
312112022100221112110
41333230233102001
513341430400213
6552331445533
7104043251346
oct17754572201
95468327473
102142434433
119aa391777
124b95b68a9
13281b277a9
141647747cd
15c814a5c3
hex7fb2f481

2142434433 has 16 divisors (see below), whose sum is σ = 3040718400. Its totient is φ = 1337909760.

The previous prime is 2142434419. The next prime is 2142434447. The reversal of 2142434433 is 3344342412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2142434419) and next prime (2142434447).

It is not a de Polignac number, because 2142434433 - 210 = 2142433409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142434433.

It is not an unprimeable number, because it can be changed into a prime (2142434233) 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, 206088 + ... + 216233.

It is an arithmetic number, because the mean of its divisors is an integer number (190044900).

Almost surely, 22142434433 is an apocalyptic number.

It is an amenable number.

2142434433 is a deficient number, since it is larger than the sum of its proper divisors (898283967).

2142434433 is a wasteful number, since it uses less digits than its factorization.

2142434433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422432.

The product of its digits is 27648, while the sum is 30.

The square root of 2142434433 is about 46286.4389751469. The cubic root of 2142434433 is about 1289.1472105369.

Adding to 2142434433 its reverse (3344342412), we get a palindrome (5486776845).

The spelling of 2142434433 in words is "two billion, one hundred forty-two million, four hundred thirty-four thousand, four hundred thirty-three".

Divisors: 1 3 19 57 89 267 1691 5073 422321 1266963 8024099 24072297 37586569 112759707 714144811 2142434433