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21190846148922 = 236202615694067
BaseRepresentation
bin1001101000101111000001…
…10110110111000100111010
32210000211021111120210121210
410310113200312313010322
510234142323103231142
6113022535035543550
74314662631204312
oct464274066670472
983024244523553
1021190846148922
11682aa9523034a
122462b175babb6
13ba93992a16c8
145338dcb62442
1526b35110449c
hex1345e0db713a

21190846148922 has 16 divisors (see below), whose sum is σ = 42381768069792. Its totient is φ = 7063602754320.

The previous prime is 21190846148921. The next prime is 21190846148939. The reversal of 21190846148922 is 22984164809112.

It is not an unprimeable number, because it can be changed into a prime (21190846148921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874533 + ... + 6568599.

It is an arithmetic number, because the mean of its divisors is an integer number (2648860504362).

Almost surely, 221190846148922 is an apocalyptic number.

21190846148922 is an abundant number, since it is smaller than the sum of its proper divisors (21190921920870).

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

21190846148922 is a wasteful number, since it uses less digits than its factorization.

21190846148922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314333.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 21190846148922 in words is "twenty-one trillion, one hundred ninety billion, eight hundred forty-six million, one hundred forty-eight thousand, nine hundred twenty-two".

Divisors: 1 2 3 6 620261 1240522 1860783 3721566 5694067 11388134 17082201 34164402 3531807691487 7063615382974 10595423074461 21190846148922