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38716838856907 = 6711325931972169
BaseRepresentation
bin10001100110110011101110…
…11011010100100011001011
312002002021221001212010020021
420303121313123110203023
520033314041221410112
6214202134211441311
711104125234223321
oct1063316733244313
9162067831763207
1038716838856907
11113777a0209352
1244136babb6237
13187ac9cc928a3
1497bc95463d11
154721a928c907
hex2336776d48cb

38716838856907 has 16 divisors (see below), whose sum is σ = 39657751212960. Its totient is φ = 37786865098752.

The previous prime is 38716838856901. The next prime is 38716838856953. The reversal of 38716838856907 is 70965883861783.

It is a cyclic number.

It is not a de Polignac number, because 38716838856907 - 219 = 38716838332619 is a prime.

It is a super-2 number, since 2×387168388569072 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38716838856901) 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, 18645519 + ... + 20617687.

It is an arithmetic number, because the mean of its divisors is an integer number (2478609450810).

Almost surely, 238716838856907 is an apocalyptic number.

38716838856907 is a deficient number, since it is larger than the sum of its proper divisors (940912356053).

38716838856907 is a wasteful number, since it uses less digits than its factorization.

38716838856907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974942.

The product of its (nonzero) digits is 2926264320, while the sum is 79.

The spelling of 38716838856907 in words is "thirty-eight trillion, seven hundred sixteen billion, eight hundred thirty-eight million, eight hundred fifty-six thousand, nine hundred seven".

Divisors: 1 67 113 2593 7571 173731 293009 1972169 19631603 132135323 222855097 5113834217 14931291499 342626892539 577863266521 38716838856907