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38208134641 = 84234536167
BaseRepresentation
bin100011100101011000…
…011101110111110001
310122121210100100022211
4203211120131313301
51111222240302031
625315204532121
72521555533355
oct434530356761
9118553310284
1038208134641
1115227550086
1274a39b1041
1337aba7ccc1
141bc6611465
15ed9538bb1
hex8e561ddf1

38208134641 has 4 divisors (see below), whose sum is σ = 38212679232. Its totient is φ = 38203590052.

The previous prime is 38208134609. The next prime is 38208134669. The reversal of 38208134641 is 14643180283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14643180283 = 101144981983.

It is a cyclic number.

It is not a de Polignac number, because 38208134641 - 25 = 38208134609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38208134594 and 38208134603.

It is not an unprimeable number, because it can be changed into a prime (38208134941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259661 + ... + 2276506.

It is an arithmetic number, because the mean of its divisors is an integer number (9553169808).

Almost surely, 238208134641 is an apocalyptic number.

It is an amenable number.

38208134641 is a deficient number, since it is larger than the sum of its proper divisors (4544591).

38208134641 is an equidigital number, since it uses as much as digits as its factorization.

38208134641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544590.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 38208134641 in words is "thirty-eight billion, two hundred eight million, one hundred thirty-four thousand, six hundred forty-one".

Divisors: 1 8423 4536167 38208134641