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38886963481 = 377125435821
BaseRepresentation
bin100100001101110101…
…111111100100011001
310201101002200102102201
4210031311333210121
51114120030312411
625510414330201
72544440510242
oct441565774431
9121332612381
1038886963481
111554574a253
1276531b9961
1338895b8b82
141c4c837cc9
151028e283c1
hex90dd7f919

38886963481 has 16 divisors (see below), whose sum is σ = 40523355648. Its totient is φ = 37281988800.

The previous prime is 38886963473. The next prime is 38886963499. The reversal of 38886963481 is 18436968883.

It is a cyclic number.

It is not a de Polignac number, because 38886963481 - 23 = 38886963473 is a prime.

It is a super-2 number, since 2×388869634812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38886963421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6677551 + ... + 6683371.

It is an arithmetic number, because the mean of its divisors is an integer number (2532709728).

Almost surely, 238886963481 is an apocalyptic number.

It is an amenable number.

38886963481 is a deficient number, since it is larger than the sum of its proper divisors (1636392167).

38886963481 is a wasteful number, since it uses less digits than its factorization.

38886963481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472.

The product of its digits is 47775744, while the sum is 64.

The spelling of 38886963481 in words is "thirty-eight billion, eight hundred eighty-six million, nine hundred sixty-three thousand, four hundred eighty-one".

Divisors: 1 37 71 2543 2627 5821 94091 180553 215377 413291 6680461 14802803 15291767 547703711 1050999013 38886963481