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38001026806 = 2171129989971
BaseRepresentation
bin100011011001000010…
…011010011011110110
310122002100122011210021
4203121002122123312
51110311230324211
625242445515354
72513462253421
oct433102323366
9118070564707
1038001026806
1115130652986
127446572b5a
133777ba76a2
141ba6cdc9b8
15ec6278771
hex8d909a6f6

38001026806 has 16 divisors (see below), whose sum is σ = 60408091440. Its totient is φ = 17866978560.

The previous prime is 38001026801. The next prime is 38001026807. The reversal of 38001026806 is 60862010083.

38001026806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38001026801) 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, 456600 + ... + 533371.

It is an arithmetic number, because the mean of its divisors is an integer number (3775505715).

Almost surely, 238001026806 is an apocalyptic number.

38001026806 is a deficient number, since it is larger than the sum of its proper divisors (22407064634).

38001026806 is a wasteful number, since it uses less digits than its factorization.

38001026806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991119.

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 38001026806 its reverse (60862010083), we get a palindrome (98863036889).

The spelling of 38001026806 in words is "thirty-eight billion, one million, twenty-six thousand, eight hundred six".

Divisors: 1 2 17 34 1129 2258 19193 38386 989971 1979942 16829507 33659014 1117677259 2235354518 19000513403 38001026806