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7420057123 = 411511119773
BaseRepresentation
bin1101110100100010…
…10001011000100011
3201011010010221211111
412322101101120203
5110144013311443
63224141324151
7351606305413
oct67221213043
921133127744
107420057123
113168479816
121530b66657
1391334a95b
14505662643
152d664069d
hex1ba451623

7420057123 has 8 divisors (see below), whose sum is σ = 7606128096. Its totient is φ = 7234228800.

The previous prime is 7420057091. The next prime is 7420057223. The reversal of 7420057123 is 3217500247.

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 7420057123 - 25 = 7420057091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7420057223) 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, 2065 + ... + 121837.

It is an arithmetic number, because the mean of its divisors is an integer number (950766012).

Almost surely, 27420057123 is an apocalyptic number.

7420057123 is a deficient number, since it is larger than the sum of its proper divisors (186070973).

7420057123 is a wasteful number, since it uses less digits than its factorization.

7420057123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121325.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7420057123 is about 86139.7534417182. The cubic root of 7420057123 is about 1950.4541675422.

The spelling of 7420057123 in words is "seven billion, four hundred twenty million, fifty-seven thousand, one hundred twenty-three".

Divisors: 1 41 1511 61951 119773 4910693 180977003 7420057123