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38442126920 = 235961053173
BaseRepresentation
bin100011110011010101…
…000100111001001000
310200020002122101101112
4203303111010321020
51112212141030140
625354324105452
72530426454531
oct436325047110
9120202571345
1038442126920
111533763aa2a
12754a235288
1338183a9482
141c09721688
15eeed59c65
hex8f3544e48

38442126920 has 16 divisors (see below), whose sum is σ = 86494785660. Its totient is φ = 15376850752.

The previous prime is 38442126917. The next prime is 38442126949. The reversal of 38442126920 is 2962124483.

It can be written as a sum of positive squares in 2 ways, for example, as 37553013796 + 889113124 = 193786^2 + 29818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480526547 + ... + 480526626.

Almost surely, 238442126920 is an apocalyptic number.

It is an amenable number.

38442126920 is an abundant number, since it is smaller than the sum of its proper divisors (48052658740).

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

38442126920 is a wasteful number, since it uses less digits than its factorization.

38442126920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961053184 (or 961053180 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 38442126920 in words is "thirty-eight billion, four hundred forty-two million, one hundred twenty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 961053173 1922106346 3844212692 4805265865 7688425384 9610531730 19221063460 38442126920