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38930442811292 = 2222214382084963
BaseRepresentation
bin10001101101000001100110…
…01101101111011110011100
312002211201021111101021212002
420312200303031233132130
520100314021324430132
6214444222025501432
711125426443664034
oct1066406315573634
9162751244337762
1038930442811292
111144a34306385a
124448b92641878
1318951818351c6
1498835a1a68c4
15477a0bbb3262
hex23683336f79c

38930442811292 has 12 divisors (see below), whose sum is σ = 68158949530056. Its totient is φ = 19456457231280.

The previous prime is 38930442811241. The next prime is 38930442811313. The reversal of 38930442811292 is 29211824403983.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191033598 + ... + 2191051365.

It is an arithmetic number, because the mean of its divisors is an integer number (5679912460838).

Almost surely, 238930442811292 is an apocalyptic number.

It is an amenable number.

38930442811292 is a deficient number, since it is larger than the sum of its proper divisors (29228506718764).

38930442811292 is a wasteful number, since it uses less digits than its factorization.

38930442811292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382087188 (or 4382087186 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 38930442811292 in words is "thirty-eight trillion, nine hundred thirty billion, four hundred forty-two million, eight hundred eleven thousand, two hundred ninety-two".

Divisors: 1 2 4 2221 4442 8884 4382084963 8764169926 17528339852 9732610702823 19465221405646 38930442811292