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38115049355 = 5157338914327
BaseRepresentation
bin100011011111110101…
…010111111110001011
310122101022012010022122
4203133311113332023
51111024423034410
625302041441455
72516345400605
oct433765277613
9118338163278
1038115049355
1115189a51799
1274787a028b
1337956ba956
141bb8100175
15ed129ce55
hex8dfd57f8b

38115049355 has 16 divisors (see below), whose sum is σ = 46046180160. Its totient is φ = 30286768512.

The previous prime is 38115049307. The next prime is 38115049397. The reversal of 38115049355 is 55394051183.

It is a cyclic number.

It is not a de Polignac number, because 38115049355 - 224 = 38098272139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2653202 + ... + 2667528.

It is an arithmetic number, because the mean of its divisors is an integer number (2877886260).

Almost surely, 238115049355 is an apocalyptic number.

38115049355 is a deficient number, since it is larger than the sum of its proper divisors (7931130805).

38115049355 is a wasteful number, since it uses less digits than its factorization.

38115049355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17878.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 38115049355 in words is "thirty-eight billion, one hundred fifteen million, forty-nine thousand, three hundred fifty-five".

Divisors: 1 5 157 785 3389 14327 16945 71635 532073 2249339 2660365 11246695 48554203 242771015 7623009871 38115049355