Search a number
-
+
20427541486 = 21110129573109
BaseRepresentation
bin10011000001100100…
…111000101111101110
31221201122000121220121
4103001210320233232
5313313422311421
613215001035154
71322133144352
oct230144705756
957648017817
1020427541486
1187328a62a0
123b61185aba
131c07140171
14dbadb9462
157e856ed41
hex4c1938bee

20427541486 has 32 divisors (see below), whose sum is σ = 33780123360. Its totient is φ = 9187248000.

The previous prime is 20427541457. The next prime is 20427541531. The reversal of 20427541486 is 68414572402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6568900 + ... + 6572008.

It is an arithmetic number, because the mean of its divisors is an integer number (1055628855).

Almost surely, 220427541486 is an apocalyptic number.

20427541486 is a deficient number, since it is larger than the sum of its proper divisors (13352581874).

20427541486 is a wasteful number, since it uses less digits than its factorization.

20427541486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 20427541486 in words is "twenty billion, four hundred twenty-seven million, five hundred forty-one thousand, four hundred eighty-six".

Divisors: 1 2 11 22 101 202 1111 2222 2957 3109 5914 6218 32527 34199 65054 68398 298657 314009 597314 628018 3285227 3454099 6570454 6908198 9193313 18386626 101126443 202252886 928524613 1857049226 10213770743 20427541486