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2142403202 = 21071201601
BaseRepresentation
bin111111110110010…
…0111101010000010
312112022022100200202
41333230213222002
513341423400302
6552331045202
7104043061322
oct17754475202
95468270622
102142403202
119aa370265
124b95a0802
13281b16504
14164767282
15c8141202
hex7fb27a82

2142403202 has 4 divisors (see below), whose sum is σ = 3213604806. Its totient is φ = 1071201600.

The previous prime is 2142403201. The next prime is 2142403229. The reversal of 2142403202 is 2023042412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1473715321 + 668687881 = 38389^2 + 25859^2 .

It is not an unprimeable number, because it can be changed into a prime (2142403201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535600799 + ... + 535600802.

Almost surely, 22142403202 is an apocalyptic number.

2142403202 is a deficient number, since it is larger than the sum of its proper divisors (1071201604).

2142403202 is a wasteful number, since it uses less digits than its factorization.

2142403202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071201603.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2142403202 is about 46286.1016072860. The cubic root of 2142403202 is about 1289.1409463931.

Adding to 2142403202 its reverse (2023042412), we get a palindrome (4165445614).

The spelling of 2142403202 in words is "two billion, one hundred forty-two million, four hundred three thousand, two hundred two".

Divisors: 1 2 1071201601 2142403202