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38881099834501 = 671139835091241
BaseRepresentation
bin10001101011100101101100…
…01001001110010010000101
312002122222220200212100122011
420311302312021032102011
520044011443024201001
6214405421454334221
711122031620415611
oct1065626611162205
9162588820770564
1038881099834501
1111430422256aa1
12443b5017ba371
131890619c38112
14985bd8c24341
154765bed51d51
hex235cb624e485

38881099834501 has 8 divisors (see below), whose sum is σ = 39461768712704. Its totient is φ = 38300441366880.

The previous prime is 38881099834453. The next prime is 38881099834559. The reversal of 38881099834501 is 10543899018883.

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 38881099834501 - 229 = 38880562963589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38881099834901) 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, 5091241 + ... + 10182481.

It is an arithmetic number, because the mean of its divisors is an integer number (4932721089088).

Almost surely, 238881099834501 is an apocalyptic number.

38881099834501 is the 5091241-st pentagonal number.

38881099834501 is the 3333000-th centered heptagonal number.

It is an amenable number.

38881099834501 is a deficient number, since it is larger than the sum of its proper divisors (580668878203).

38881099834501 is a wasteful number, since it uses less digits than its factorization.

38881099834501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205291.

The product of its (nonzero) digits is 59719680, while the sum is 67.

The spelling of 38881099834501 in words is "thirty-eight trillion, eight hundred eighty-one billion, ninety-nine million, eight hundred thirty-four thousand, five hundred one".