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3893123115385 = 57677123382823
BaseRepresentation
bin111000101001110000001…
…110000110100101111001
3111210011211102222102110021
4320221300032012211321
51002241104004143020
612140250455250441
7551161135323250
oct70516016064571
914704742872407
103893123115385
111271078561359
1252a61b079a21
1322317365acca
14d65dcc4d797
156b4081751aa
hex38a70386979

3893123115385 has 32 divisors (see below), whose sum is σ = 5495150702592. Its totient is φ = 2592687303360.

The previous prime is 3893123115311. The next prime is 3893123115449. The reversal of 3893123115385 is 5835113213983.

It is a happy number.

It is not a de Polignac number, because 3893123115385 - 217 = 3893122984313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11524917 + ... + 11857906.

It is an arithmetic number, because the mean of its divisors is an integer number (171723459456).

Almost surely, 23893123115385 is an apocalyptic number.

3893123115385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3893123115385 is a deficient number, since it is larger than the sum of its proper divisors (1602027587207).

3893123115385 is a wasteful number, since it uses less digits than its factorization.

3893123115385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23382973.

The product of its digits is 2332800, while the sum is 52.

The spelling of 3893123115385 in words is "three trillion, eight hundred ninety-three billion, one hundred twenty-three million, one hundred fifteen thousand, three hundred eighty-five".

Divisors: 1 5 7 35 67 71 335 355 469 497 2345 2485 4757 23785 33299 166495 23382823 116914115 163679761 818398805 1566649141 1660180433 7833245705 8300902165 10966543987 11621263031 54832719935 58106315155 111232089011 556160445055 778624623077 3893123115385