Search a number
-
+
42021860288 = 262572554831
BaseRepresentation
bin100111001000101100…
…101011001111000000
311000110120112200101212
4213020230223033000
51142030044012123
631145442145252
73015224630132
oct471054531700
9130416480355
1042021860288
1116904276661
128189052228
133c68c119b5
142068d17052
15115e266878
hex9c8b2b3c0

42021860288 has 28 divisors (see below), whose sum is σ = 83711625312. Its totient is φ = 20929167360.

The previous prime is 42021860281. The next prime is 42021860297. The reversal of 42021860288 is 88206812024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021860281) 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, 1260968 + ... + 1293863.

It is an arithmetic number, because the mean of its divisors is an integer number (2989700904).

Almost surely, 242021860288 is an apocalyptic number.

It is an amenable number.

42021860288 is a deficient number, since it is larger than the sum of its proper divisors (41689765024).

42021860288 is a wasteful number, since it uses less digits than its factorization.

42021860288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555100 (or 2555090 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The spelling of 42021860288 in words is "forty-two billion, twenty-one million, eight hundred sixty thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 257 514 1028 2056 4112 8224 16448 2554831 5109662 10219324 20438648 40877296 81754592 163509184 656591567 1313183134 2626366268 5252732536 10505465072 21010930144 42021860288