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38878334357 = 941147128087
BaseRepresentation
bin100100001101010101…
…000100110110010101
310201100111110000111112
4210031111010312111
51114110323144412
625505505344405
72544304250402
oct441525046625
9121314400445
1038878334357
1115540896045
127650338105
133887887295
141c4b62d2a9
1510282c1722
hex90d544d95

38878334357 has 8 divisors (see below), whose sum is σ = 38947494912. Its totient is φ = 38809234800.

The previous prime is 38878334353. The next prime is 38878334377. The reversal of 38878334357 is 75343387883.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38878334357 - 22 = 38878334353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38878334296 and 38878334305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38878334353) 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, 1370168 + ... + 1398254.

It is an arithmetic number, because the mean of its divisors is an integer number (4868436864).

Almost surely, 238878334357 is an apocalyptic number.

It is an amenable number.

38878334357 is a deficient number, since it is larger than the sum of its proper divisors (69160555).

38878334357 is a wasteful number, since it uses less digits than its factorization.

38878334357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30499.

The product of its digits is 40642560, while the sum is 59.

The spelling of 38878334357 in words is "thirty-eight billion, eight hundred seventy-eight million, three hundred thirty-four thousand, three hundred fifty-seven".

Divisors: 1 941 1471 28087 1384211 26429867 41315977 38878334357