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212413220115 = 3542113362831
BaseRepresentation
bin1100010111010011010…
…0001000010100010011
3202022021102221121021120
43011310310020110103
511440010241020430
6241325320253323
721226540403055
oct3056464102423
9668242847246
10212413220115
11820a17a81a8
1235200911243
1317051c73735
14a3d09458d5
1557d311a610
hex3174d08513

212413220115 has 16 divisors (see below), whose sum is σ = 339941961216. Its totient is φ = 113260114400.

The previous prime is 212413220099. The next prime is 212413220141. The reversal of 212413220115 is 511022314212.

It is a happy number.

It is not a de Polignac number, because 212413220115 - 24 = 212413220099 is a prime.

It is a super-2 number, since 2×2124132201152 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618251 + ... + 1744580.

It is an arithmetic number, because the mean of its divisors is an integer number (21246372576).

Almost surely, 2212413220115 is an apocalyptic number.

212413220115 is a deficient number, since it is larger than the sum of its proper divisors (127528741101).

212413220115 is a wasteful number, since it uses less digits than its factorization.

212413220115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367050.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 212413220115 its reverse (511022314212), we get a palindrome (723435534327).

The spelling of 212413220115 in words is "two hundred twelve billion, four hundred thirteen million, two hundred twenty thousand, one hundred fifteen".

Divisors: 1 3 5 15 4211 12633 21055 63165 3362831 10088493 16814155 50442465 14160881341 42482644023 70804406705 212413220115