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221612211411414 = 2387742115585597
BaseRepresentation
bin110010011000111000011101…
…001000111001100111010110
31002001122220212001022000111020
4302120320131020321213112
5213021343302110131124
62103155124445222010
764451645122253145
oct6230703510714726
91061586761260436
10221612211411414
1164681235a17a1a
1220a31b21261906
139686c32381875
143ca213429d75c
151a949975da379
hexc98e1d2399d6

221612211411414 has 16 divisors (see below), whose sum is σ = 443729809860528. Its totient is φ = 73786505964192.

The previous prime is 221612211411407. The next prime is 221612211411427. The reversal of 221612211411414 is 414114112216122.

221612211411414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2216122114114142 (a number of 29 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, 21057787537 + ... + 21057798060.

It is an arithmetic number, because the mean of its divisors is an integer number (27733113116283).

Almost surely, 2221612211411414 is an apocalyptic number.

221612211411414 is an abundant number, since it is smaller than the sum of its proper divisors (222117598449114).

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

221612211411414 is a wasteful number, since it uses less digits than its factorization.

221612211411414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42115586479.

The product of its digits is 6144, while the sum is 33.

Adding to 221612211411414 its reverse (414114112216122), we get a palindrome (635726323627536).

The spelling of 221612211411414 in words is "two hundred twenty-one trillion, six hundred twelve billion, two hundred eleven million, four hundred eleven thousand, four hundred fourteen".

Divisors: 1 2 3 6 877 1754 2631 5262 42115585597 84231171194 126346756791 252693513582 36935368568569 73870737137138 110806105705707 221612211411414