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38077431973 = 7194112754983
BaseRepresentation
bin100011011101100101…
…111000000010100101
310122021200101221222021
4203131211320002211
51110440310310343
625254215303141
72515410555130
oct433545700245
9118250357867
1038077431973
111516a799249
12746807aab1
13378a979749
141bb310b217
15eccd1c0ed
hex8dd9780a5

38077431973 has 32 divisors (see below), whose sum is σ = 47295037440. Its totient is φ = 29927802240.

The previous prime is 38077431949. The next prime is 38077431991. The reversal of 38077431973 is 37913477083.

It is not a de Polignac number, because 38077431973 - 29 = 38077431461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38077431973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38077431913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665040 + ... + 720022.

It is an arithmetic number, because the mean of its divisors is an integer number (1477969920).

Almost surely, 238077431973 is an apocalyptic number.

It is an amenable number.

38077431973 is a deficient number, since it is larger than the sum of its proper divisors (9217605467).

38077431973 is a wasteful number, since it uses less digits than its factorization.

38077431973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55177.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 38077431973 in words is "thirty-eight billion, seventy-seven million, four hundred thirty-one thousand, nine hundred seventy-three".

Divisors: 1 7 19 41 127 133 287 779 889 2413 5207 5453 16891 36449 54983 98933 384881 692531 1044677 2254303 6982841 7312739 15780121 42831757 48879887 132673979 286296481 299822299 928717853 2004075367 5439633139 38077431973