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5110421018 = 22555210509
BaseRepresentation
bin1001100001001101…
…01101011000011010
3111012011011021201112
410300212231120122
540431231433033
62203034020322
7240432601433
oct46046553032
914164137645
105110421018
112192776a4a
12ba75776a2
136359b0781
14366a0648a
151ed9b8c48
hex1309ad61a

5110421018 has 4 divisors (see below), whose sum is σ = 7665631530. Its totient is φ = 2555210508.

The previous prime is 5110421011. The next prime is 5110421023. The reversal of 5110421018 is 8101240115.

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., 4742663689 + 367757329 = 68867^2 + 19177^2 .

It is a super-2 number, since 2×51104210182 = 52232805962432312648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5110420984 and 5110421002.

It is not an unprimeable number, because it can be changed into a prime (5110421011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277605253 + ... + 1277605256.

Almost surely, 25110421018 is an apocalyptic number.

5110421018 is a deficient number, since it is larger than the sum of its proper divisors (2555210512).

5110421018 is a wasteful number, since it uses less digits than its factorization.

5110421018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555210511.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 5110421018 is about 71487.2087719195. The cubic root of 5110421018 is about 1722.4722220996.

The spelling of 5110421018 in words is "five billion, one hundred ten million, four hundred twenty-one thousand, eighteen".

Divisors: 1 2 2555210509 5110421018