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38773118326864 = 2419148985656919
BaseRepresentation
bin10001101000011100100011…
…11100011101100001010000
312002021200012021121102020111
420310032101330131201100
520040224321242424424
6214244042532051104
711111160005636545
oct1064162174354120
9162250167542214
1038773118326864
1111399650534099
1244225a6a63a94
13188339b98b6bc
149808b3b50bcc
154738a0071194
hex234391f1d850

38773118326864 has 40 divisors (see below), whose sum is σ = 79129862696000. Its totient is φ = 18353879133696.

The previous prime is 38773118326861. The next prime is 38773118326871. The reversal of 38773118326864 is 46862381137783.

It is a self number, because there is not a number n which added to its sum of digits gives 38773118326864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38773118326861) 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, 42375804 + ... + 43281115.

It is an arithmetic number, because the mean of its divisors is an integer number (1978246567400).

Almost surely, 238773118326864 is an apocalyptic number.

It is an amenable number.

38773118326864 is an abundant number, since it is smaller than the sum of its proper divisors (40356744369136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38773118326864 is a wasteful number, since it uses less digits than its factorization.

38773118326864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85658435 (or 85658429 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 67.

The spelling of 38773118326864 in words is "thirty-eight trillion, seven hundred seventy-three billion, one hundred eighteen million, three hundred twenty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 1489 2978 5956 11912 23824 28291 56582 113164 226328 452656 85656919 171313838 342627676 685255352 1370510704 1627481461 3254962922 6509925844 13019851688 26039703376 127543152391 255086304782 510172609564 1020345219128 2040690438256 2423319895429 4846639790858 9693279581716 19386559163432 38773118326864