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238383407772 = 22326621761327
BaseRepresentation
bin1101111000000011000…
…0100010001010011100
3211210022100102211100200
43132000300202022130
512401202123022042
6301302315423500
723136235350636
oct3360060421234
9753270384320
10238383407772
1192109245604
123a24a154b90
13196304a9693
14b775ab9a56
156303080c4c
hex3780c2229c

238383407772 has 18 divisors (see below), whose sum is σ = 602580280848. Its totient is φ = 79461135912.

The previous prime is 238383407771. The next prime is 238383407797. The reversal of 238383407772 is 277704383832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238383407771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3310880628 + ... + 3310880699.

Almost surely, 2238383407772 is an apocalyptic number.

It is an amenable number.

238383407772 is an abundant number, since it is smaller than the sum of its proper divisors (364196873076).

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

238383407772 is a wasteful number, since it uses less digits than its factorization.

238383407772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621761337 (or 6621761332 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 238383407772 in words is "two hundred thirty-eight billion, three hundred eighty-three million, four hundred seven thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 6621761327 13243522654 19865283981 26487045308 39730567962 59595851943 79461135924 119191703886 238383407772