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2042554123 = 2397915533
BaseRepresentation
bin111100110111110…
…1110011100001011
312021100102111111201
41321233232130023
513140343212443
6534403005031
7101421265201
oct17157563413
95240374451
102042554123
11958a72165
12490069777
1326722660c
141553b5071
15be4bb34d
hex79bee70b

2042554123 has 8 divisors (see below), whose sum is σ = 2153335968. Its totient is φ = 1933603584.

The previous prime is 2042554103. The next prime is 2042554139. The reversal of 2042554123 is 3214552402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042554123 - 213 = 2042545931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2042554091 and 2042554100.

It is not an unprimeable number, because it can be changed into a prime (2042554103) 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, 455536 + ... + 459997.

It is an arithmetic number, because the mean of its divisors is an integer number (269166996).

Almost surely, 22042554123 is an apocalyptic number.

2042554123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2042554123 is a deficient number, since it is larger than the sum of its proper divisors (110781845).

2042554123 is an equidigital number, since it uses as much as digits as its factorization.

2042554123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915653.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2042554123 is about 45194.6249348305. The cubic root of 2042554123 is about 1268.7942185629.

The spelling of 2042554123 in words is "two billion, forty-two million, five hundred fifty-four thousand, one hundred twenty-three".

Divisors: 1 23 97 2231 915533 21057259 88806701 2042554123