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38105153387 = 717320211373
BaseRepresentation
bin100011011111001111…
…100111111101101011
310122100121120100121022
4203133033213331223
51111014404402022
625301045403055
72516165313440
oct433717477553
9118317510538
1038105153387
1115184402804
12747540948b
133793634552
141bb6a859c7
15ed0495c42
hex8df3e7f6b

38105153387 has 8 divisors (see below), whose sum is σ = 46110437856. Its totient is φ = 30740291712.

The previous prime is 38105153309. The next prime is 38105153393. The reversal of 38105153387 is 78335150183.

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 38105153387 - 210 = 38105152363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38105153987) 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, 160105568 + ... + 160105805.

It is an arithmetic number, because the mean of its divisors is an integer number (5763804732).

Almost surely, 238105153387 is an apocalyptic number.

38105153387 is a deficient number, since it is larger than the sum of its proper divisors (8005284469).

38105153387 is a wasteful number, since it uses less digits than its factorization.

38105153387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320211397.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 38105153387 in words is "thirty-eight billion, one hundred five million, one hundred fifty-three thousand, three hundred eighty-seven".

Divisors: 1 7 17 119 320211373 2241479611 5443593341 38105153387