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2112023042 = 21813358237
BaseRepresentation
bin111110111100010…
…1110101000000010
312110012010212221122
41331320232220002
513311134214132
6545323552242
7103223620403
oct17570565002
95405125848
102112023042
11994200198
124ab38b682
1327873a49c
141606d99aa
15c563e912
hex7de2ea02

2112023042 has 8 divisors (see below), whose sum is σ = 3168263676. Its totient is φ = 1055935152.

The previous prime is 2112023041. The next prime is 2112023083. The reversal of 2112023042 is 2403202112.

It can be written as a sum of positive squares in 2 ways, for example, as 2090409841 + 21613201 = 45721^2 + 4649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2112023042.

It is not an unprimeable number, because it can be changed into a prime (2112023041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148 + ... + 65384.

Almost surely, 22112023042 is an apocalyptic number.

2112023042 is a deficient number, since it is larger than the sum of its proper divisors (1056240634).

2112023042 is a wasteful number, since it uses less digits than its factorization.

2112023042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76372.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2112023042 is about 45956.7518652047. The cubic root of 2112023042 is about 1283.0183978908.

Adding to 2112023042 its reverse (2403202112), we get a palindrome (4515225154).

The spelling of 2112023042 in words is "two billion, one hundred twelve million, twenty-three thousand, forty-two".

Divisors: 1 2 18133 36266 58237 116474 1056011521 2112023042