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38994491763043 = 240967161825029
BaseRepresentation
bin10001101110111000111001…
…10101000110100101100011
312010001211121011210011020021
420313130130311012211203
520102341204342404133
6214533453333054311
711133154600045555
oct1067343465064543
9163054534704207
1038994491763043
111147452001a233
124459488487397
13189b21b09301b
1498b4b46b34d5
15479509b0a52d
hex23771cd46963

38994491763043 has 4 divisors (see below), whose sum is σ = 38994653829040. Its totient is φ = 38994329697048.

The previous prime is 38994491763011. The next prime is 38994491763067. The reversal of 38994491763043 is 34036719449983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38994491763043 - 25 = 38994491763011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38994491769043) 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, 80671548 + ... + 81153481.

It is an arithmetic number, because the mean of its divisors is an integer number (9748663457260).

Almost surely, 238994491763043 is an apocalyptic number.

38994491763043 is a deficient number, since it is larger than the sum of its proper divisors (162065997).

38994491763043 is a wasteful number, since it uses less digits than its factorization.

38994491763043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162065996.

The product of its (nonzero) digits is 423263232, while the sum is 70.

The spelling of 38994491763043 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-three thousand, forty-three".

Divisors: 1 240967 161825029 38994491763043