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221023133130100 = 22527315747333043
BaseRepresentation
bin110010010000010011110101…
…010101100101110101110100
31001222120121100011120202110111
4302100103311111211311310
5212432220334040130400
62102024343045232404
764361252165423440
oct6220236525456564
91058517304522414
10221023133130100
1164474425655314
1220957920102704
1396435133709c2
143c8181074d820
151a844bb4e73ba
hexc904f5565d74

221023133130100 has 36 divisors (see below), whose sum is σ = 548137370164384. Its totient is φ = 75779359930080.

The previous prime is 221023133130061. The next prime is 221023133130101. The reversal of 221023133130100 is 1031331320122.

221023133130100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221023133130101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157873665822 + ... + 157873667221.

Almost surely, 2221023133130100 is an apocalyptic number.

221023133130100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221023133130100 is an abundant number, since it is smaller than the sum of its proper divisors (327114237034284).

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

221023133130100 is a wasteful number, since it uses less digits than its factorization.

221023133130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315747333064 (or 315747333057 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 221023133130100 its reverse (1031331320122), we get a palindrome (222054464450222).

The spelling of 221023133130100 in words is "two hundred twenty-one trillion, twenty-three billion, one hundred thirty-three million, one hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 315747333043 631494666086 1262989332172 1578736665215 2210231331301 3157473330430 4420462662602 6314946660860 7893683326075 8840925325204 11051156656505 15787366652150 22102313313010 31574733304300 44204626626020 55255783282525 110511566565050 221023133130100