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390234432093 = 31143275006647
BaseRepresentation
bin1011010110110111100…
…10001110001001011101
31101022021002221010020120
411223123302032021131
522343200003311333
6455134330105153
740123241641362
oct5533362161135
91338232833216
10390234432093
11140552188720
126376887b1b9
132aa503a25ac
1414c5d226469
15a23e3e6db3
hex5adbc8e25d

390234432093 has 16 divisors (see below), whose sum is σ = 580814040576. Its totient is φ = 231005582640.

The previous prime is 390234432059. The next prime is 390234432101.

390234432093 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 390234432093 - 29 = 390234431581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390234432053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137501905 + ... + 137504742.

It is an arithmetic number, because the mean of its divisors is an integer number (36300877536).

Almost surely, 2390234432093 is an apocalyptic number.

390234432093 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

390234432093 is a deficient number, since it is larger than the sum of its proper divisors (190579608483).

390234432093 is a wasteful number, since it uses less digits than its factorization.

390234432093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275006704.

The product of its (nonzero) digits is 419904, while the sum is 42.

The spelling of 390234432093 in words is "three hundred ninety billion, two hundred thirty-four million, four hundred thirty-two thousand, ninety-three".

Divisors: 1 3 11 33 43 129 473 1419 275006647 825019941 3025073117 9075219351 11825285821 35475857463 130078144031 390234432093