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6386869041 = 37478363587
BaseRepresentation
bin1011111001010111…
…11110001100110001
3121111010000120020020
411330223332030301
5101040014302131
62533432434053
7314162330310
oct57453761461
917433016206
106386869041
112788248273
1212a2b48929
137aa290667
14448356277
15275aa5996
hex17cafe331

6386869041 has 16 divisors (see below), whose sum is σ = 9734559744. Its totient is φ = 3648819024.

The previous prime is 6386869033. The next prime is 6386869081. The reversal of 6386869041 is 1409686836.

It is not a de Polignac number, because 6386869041 - 23 = 6386869033 is a prime.

It is a super-2 number, since 2×63868690412 = 81584192293768519362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6386869081) 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, 68650 + ... + 132236.

It is an arithmetic number, because the mean of its divisors is an integer number (608409984).

Almost surely, 26386869041 is an apocalyptic number.

It is an amenable number.

6386869041 is a deficient number, since it is larger than the sum of its proper divisors (3347690703).

6386869041 is a wasteful number, since it uses less digits than its factorization.

6386869041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68380.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 6386869041 is about 79917.8893677755. The cubic root of 6386869041 is about 1855.3649033788.

The spelling of 6386869041 in words is "six billion, three hundred eighty-six million, eight hundred sixty-nine thousand, forty-one".

Divisors: 1 3 7 21 4783 14349 33481 63587 100443 190761 445109 1335327 304136621 912409863 2128956347 6386869041