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221213101022302 = 21373493975826991
BaseRepresentation
bin110010010011000100110000…
…010011100101110001011110
31002000020202200100200120012211
4302103010300103211301132
5212443323412330203202
62102251521244351034
764411055602030654
oct6223046023456136
91060222610616184
10221213101022302
1164537a49571434
12209886b7b4547a
1396583c91401cc
143c8aab2310dd4
151a893d8d6a1d7
hexc931304e5c5e

221213101022302 has 32 divisors (see below), whose sum is σ = 336043794038400. Its totient is φ = 109208793957120.

The previous prime is 221213101022281. The next prime is 221213101022357. The reversal of 221213101022302 is 203220101312122.

It is a congruent number.

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, 35050027 + ... + 40877017.

It is an arithmetic number, because the mean of its divisors is an integer number (10501368563700).

Almost surely, 2221213101022302 is an apocalyptic number.

221213101022302 is a deficient number, since it is larger than the sum of its proper divisors (114830693016098).

221213101022302 is a wasteful number, since it uses less digits than its factorization.

221213101022302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827876.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221213101022302 its reverse (203220101312122), we get a palindrome (424433202334424).

The spelling of 221213101022302 in words is "two hundred twenty-one trillion, two hundred thirteen billion, one hundred one million, twenty-two thousand, three hundred two".

Divisors: 1 2 137 274 349 397 698 794 47813 54389 95626 108778 138553 277106 5826991 11653982 18981761 37963522 798297767 1596595534 2033619859 2313315427 4067239718 4626630854 278605920683 316924213499 557211841366 633848426998 807347084023 1614694168046 110606550511151 221213101022302