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38887020404 = 22101131734771
BaseRepresentation
bin100100001101110110…
…001101011101110100
310201101002210022111222
4210031312031131310
51114120034123104
625510415445512
72544441135221
oct441566153564
9121332708458
1038887020404
1115545788aa1
127653226898
133889608a5b
141c4c850948
151028e3a1be
hex90dd8d774

38887020404 has 24 divisors (see below), whose sum is σ = 69250791456. Its totient is φ = 19104020000.

The previous prime is 38887020401. The next prime is 38887020421. The reversal of 38887020404 is 40402078883.

It is a super-2 number, since 2×388870204042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38887020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314462 + ... + 420309.

It is an arithmetic number, because the mean of its divisors is an integer number (2885449644).

Almost surely, 238887020404 is an apocalyptic number.

It is an amenable number.

38887020404 is a deficient number, since it is larger than the sum of its proper divisors (30363771052).

38887020404 is a wasteful number, since it uses less digits than its factorization.

38887020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735007 (or 735005 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 38887020404 in words is "thirty-eight billion, eight hundred eighty-seven million, twenty thousand, four hundred four".

Divisors: 1 2 4 101 131 202 262 404 524 13231 26462 52924 734771 1469542 2939084 74211871 96255001 148423742 192510002 296847484 385020004 9721755101 19443510202 38887020404