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21150162404060 = 2259421911223937
BaseRepresentation
bin1001100111100011001111…
…11010101100001011011100
32202212221021011221102111112
410303301213322230023130
510233011013033412220
6112552130034041152
74312022512113254
oct463614772541334
982787234842445
1021150162404060
116814808325708
1224570627191b8
13ba55b46817b1
1453195d84c964
1526a26e5ab5c5
hex133c67eac2dc

21150162404060 has 24 divisors (see below), whose sum is σ = 44415816411120. Its totient is φ = 8459974416384.

The previous prime is 21150162404027. The next prime is 21150162404071. The reversal of 21150162404060 is 6040426105112.

It is a super-2 number, since 2×211501624040602 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3727589 + ... + 7496348.

It is an arithmetic number, because the mean of its divisors is an integer number (1850659017130).

Almost surely, 221150162404060 is an apocalyptic number.

21150162404060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21150162404060 is an abundant number, since it is smaller than the sum of its proper divisors (23265654007060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21150162404060 is a wasteful number, since it uses less digits than its factorization.

21150162404060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318165 (or 11318163 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 21150162404060 its reverse (6040426105112), we get a palindrome (27190588509172).

The spelling of 21150162404060 in words is "twenty-one trillion, one hundred fifty billion, one hundred sixty-two million, four hundred four thousand, sixty".

Divisors: 1 2 4 5 10 20 94219 188438 376876 471095 942190 1884380 11223937 22447874 44895748 56119685 112239370 224478740 1057508120203 2115016240406 4230032480812 5287540601015 10575081202030 21150162404060