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38387734374242 = 2112833615918467
BaseRepresentation
bin10001011101001110101110…
…10001010110011101100010
312000220211110012201011221202
420232213113101112131202
520012421034444433432
6213351025352321202
711041264562250551
oct1056472721263542
9160824405634852
1038387734374242
11112601683194a0
12437b9726a3202
131855c42486106
14969d94bc7d98
154688468e8462
hex22e9d7456762

38387734374242 has 16 divisors (see below), whose sum is σ = 62838465779232. Its totient is φ = 17442810957120.

The previous prime is 38387734374217. The next prime is 38387734374259. The reversal of 38387734374242 is 24247343778383.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307896908 + ... + 308021559.

It is an arithmetic number, because the mean of its divisors is an integer number (3927404111202).

Almost surely, 238387734374242 is an apocalyptic number.

38387734374242 is a deficient number, since it is larger than the sum of its proper divisors (24450731404990).

38387734374242 is a wasteful number, since it uses less digits than its factorization.

38387734374242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615921313.

The product of its digits is 455196672, while the sum is 65.

The spelling of 38387734374242 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred thirty-four million, three hundred seventy-four thousand, two hundred forty-two".

Divisors: 1 2 11 22 2833 5666 31163 62326 615918467 1231836934 6775103137 13550206274 1744897017011 3489794034022 19193867187121 38387734374242