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385004623885 = 57107102804973
BaseRepresentation
bin1011001101001000001…
…00000101100000001101
31100210202122010100002021
411212210010011200031
522301442140431020
6452511345130141
736546526210210
oct5464404054015
91323678110067
10385004623885
11139309089382
1262749329951
132a3c8a50b1b
14148c4823777
15a0351e91aa
hex59a410580d

385004623885 has 16 divisors (see below), whose sum is σ = 532940985216. Its totient is φ = 261535848768.

The previous prime is 385004623853. The next prime is 385004623891. The reversal of 385004623885 is 588326400583.

It is a cyclic number.

It is not a de Polignac number, because 385004623885 - 25 = 385004623853 is a prime.

It is a Duffinian number.

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, 51398742 + ... + 51406231.

It is an arithmetic number, because the mean of its divisors is an integer number (33308811576).

Almost surely, 2385004623885 is an apocalyptic number.

385004623885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385004623885 is a deficient number, since it is larger than the sum of its proper divisors (147936361331).

385004623885 is a wasteful number, since it uses less digits than its factorization.

385004623885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102805092.

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 385004623885 in words is "three hundred eighty-five billion, four million, six hundred twenty-three thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 107 535 749 3745 102804973 514024865 719634811 3598174055 11000132111 55000660555 77000924777 385004623885