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38936640359 = 192970665409
BaseRepresentation
bin100100010000110011…
…011111101101100111
310201111120011021022002
4210100303133231213
51114220234442414
625515351155515
72545612660631
oct442063375547
9121446137262
1038936640359
111557079a221
127667975b9b
133896990186
141c55289a51
15102d48c4de
hex910cdfb67

38936640359 has 8 divisors (see below), whose sum is σ = 42399246000. Its totient is φ = 35615365632.

The previous prime is 38936640341. The next prime is 38936640383. The reversal of 38936640359 is 95304663983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38936640359 - 28 = 38936640103 is a prime.

It is a super-2 number, since 2×389366403592 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38936649359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35332154 + ... + 35333255.

It is an arithmetic number, because the mean of its divisors is an integer number (5299905750).

Almost surely, 238936640359 is an apocalyptic number.

38936640359 is a deficient number, since it is larger than the sum of its proper divisors (3462605641).

38936640359 is a wasteful number, since it uses less digits than its factorization.

38936640359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70665457.

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 38936640359 in words is "thirty-eight billion, nine hundred thirty-six million, six hundred forty thousand, three hundred fifty-nine".

Divisors: 1 19 29 551 70665409 1342642771 2049296861 38936640359