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38494971801 = 32111356952567
BaseRepresentation
bin100011110110011110…
…101010011110011001
310200100210002011221100
4203312132222132121
51112314203044201
625403452502013
72531640601326
oct436636523631
9120323064840
1038494971801
1115364454090
127563a7a909
13382631c730
141c12759b4d
1510047e7886
hex8f67aa799

38494971801 has 48 divisors (see below), whose sum is σ = 65440851840. Its totient is φ = 21497391360.

The previous prime is 38494971799. The next prime is 38494971817. The reversal of 38494971801 is 10817949483.

38494971801 is a `hidden beast` number, since 3 + 8 + 494 + 9 + 71 + 80 + 1 = 666.

It is not a de Polignac number, because 38494971801 - 21 = 38494971799 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38494971841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 706020 + ... + 758586.

It is an arithmetic number, because the mean of its divisors is an integer number (1363351080).

Almost surely, 238494971801 is an apocalyptic number.

It is an amenable number.

38494971801 is a deficient number, since it is larger than the sum of its proper divisors (26945880039).

38494971801 is a wasteful number, since it uses less digits than its factorization.

38494971801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53166 (or 53163 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 38494971801 in words is "thirty-eight billion, four hundred ninety-four million, nine hundred seventy-one thousand, eight hundred one".

Divisors: 1 3 9 11 13 33 39 99 117 143 429 569 1287 1707 5121 6259 7397 18777 22191 52567 56331 66573 81367 157701 244101 473103 578237 683371 732303 1734711 2050113 5204133 6150339 7517081 22551243 29910623 67653729 89731869 269195607 329016853 388838099 987050559 1166514297 2961151677 3499542891 4277219089 12831657267 38494971801