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424321102121 = 7271121966399
BaseRepresentation
bin1100010110010111000…
…00100011000100101001
31111120020200000100222212
412023023200203010221
523423002200231441
6522532545454505
742441033600200
oct6131340430451
91446220010885
10424321102121
11153a542223a4
126a2a0341435
1331023313427
1416774306237
15b086bb5eeb
hex62cb823129

424321102121 has 12 divisors (see below), whose sum is σ = 500550105600. Its totient is φ = 358581210120.

The previous prime is 424321102111. The next prime is 424321102129. The reversal of 424321102121 is 121201123424.

It is not a de Polignac number, because 424321102121 - 226 = 424253993257 is a prime.

It is a super-2 number, since 2×4243211021212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424321102129) 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, 60979721 + ... + 60986678.

It is an arithmetic number, because the mean of its divisors is an integer number (41712508800).

Almost surely, 2424321102121 is an apocalyptic number.

It is an amenable number.

424321102121 is a deficient number, since it is larger than the sum of its proper divisors (76229003479).

424321102121 is a wasteful number, since it uses less digits than its factorization.

424321102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121966484 (or 121966477 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 424321102121 its reverse (121201123424), we get a palindrome (545522225545).

The spelling of 424321102121 in words is "four hundred twenty-four billion, three hundred twenty-one million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 7 49 71 497 3479 121966399 853764793 5976353551 8659614329 60617300303 424321102121