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390320221111 = 1672801834433
BaseRepresentation
bin1011010111000001110…
…01011110101110110111
31101022111002100122122121
411223200321132232313
522343333434033421
6455151032540411
740125333065212
oct5534071365667
91338432318577
10390320221111
11140596653237
1263791551707
132aa650ab922
1414c6a798779
15a246be0d41
hex5ae0e5ebb7

390320221111 has 8 divisors (see below), whose sum is σ = 392798123424. Its totient is φ = 387843993600.

The previous prime is 390320221099. The next prime is 390320221129. The reversal of 390320221111 is 111122023093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390320221111 - 25 = 390320221079 is a prime.

It is a super-4 number, since 4×3903202211114 (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390320281111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50551 + ... + 884983.

It is an arithmetic number, because the mean of its divisors is an integer number (49099765428).

Almost surely, 2390320221111 is an apocalyptic number.

390320221111 is a deficient number, since it is larger than the sum of its proper divisors (2477902313).

390320221111 is a wasteful number, since it uses less digits than its factorization.

390320221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837401.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 390320221111 in words is "three hundred ninety billion, three hundred twenty million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 167 2801 467767 834433 139350311 2337246833 390320221111