Search a number
-
+
6247042642 = 219831980673
BaseRepresentation
bin1011101000101101…
…00100111001010010
3121010100220122110201
411310112210321102
5100243220331032
62511515445414
7310543662211
oct56426447122
917110818421
106247042642
112716324665
12126415686a
13787314349
14433959078
152686858e7
hex1745a4e52

6247042642 has 16 divisors (see below), whose sum is σ = 9982596960. Its totient is φ = 2923471872.

The previous prime is 6247042621. The next prime is 6247042643. The reversal of 6247042642 is 2462407426.

It is not an unprimeable number, because it can be changed into a prime (6247042643) 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, 987183 + ... + 993490.

It is an arithmetic number, because the mean of its divisors is an integer number (623912310).

Almost surely, 26247042642 is an apocalyptic number.

6247042642 is a deficient number, since it is larger than the sum of its proper divisors (3735554318).

6247042642 is a wasteful number, since it uses less digits than its factorization.

6247042642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980777.

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 6247042642 is about 79038.2353168389. The cubic root of 6247042642 is about 1841.7251701496.

The spelling of 6247042642 in words is "six billion, two hundred forty-seven million, forty-two thousand, six hundred forty-two".

Divisors: 1 2 19 38 83 166 1577 3154 1980673 3961346 37632787 75265574 164395859 328791718 3123521321 6247042642