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221353384070082 = 231137226939949009
BaseRepresentation
bin110010010101000111011001…
…110100111100101111000010
31002000202011202220222202112010
4302111013121310330233002
5213003123212310220312
62102440201341113350
764424153131203315
oct6225073164745702
91060664686882463
10221353384070082
1164591496700560
12209ab928558856
1396686c4545ba4
143c937bd37c97c
151a8cd9984c93c
hexc951d9d3cbc2

221353384070082 has 64 divisors (see below), whose sum is σ = 496224230774400. Its totient is φ = 65235132103680.

The previous prime is 221353384070023. The next prime is 221353384070083. The reversal of 221353384070082 is 280070483353122.

It is not an unprimeable number, because it can be changed into a prime (221353384070083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14433607 + ... + 25515402.

It is an arithmetic number, because the mean of its divisors is an integer number (7753503605850).

Almost surely, 2221353384070082 is an apocalyptic number.

221353384070082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221353384070082 is an abundant number, since it is smaller than the sum of its proper divisors (274870846704318).

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

221353384070082 is a wasteful number, since it uses less digits than its factorization.

221353384070082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39951331.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 221353384070082 in words is "two hundred twenty-one trillion, three hundred fifty-three billion, three hundred eighty-four million, seventy thousand, eighty-two".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 1221 2269 2442 4538 6807 13614 24959 49918 74877 83953 149754 167906 251859 503718 923483 1846966 2770449 5540898 39949009 79898018 119847027 239694054 439439099 878878198 1318317297 1478113333 2636634594 2956226666 4434339999 8868679998 16259246663 32518493326 48777739989 90644301421 97555479978 181288602842 271932904263 543865808526 997087315631 1994174631262 2991261946893 3353839152577 5982523893786 6707678305154 10061517457731 20123034915462 36892230678347 73784461356694 110676692035041 221353384070082