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38742094242 = 2322152338569
BaseRepresentation
bin100100000101001101…
…010111000110100010
310201000000002022012100
4210011031113012202
51113320434003432
625444201311230
72541031240035
oct440515270642
9121000068170
1038742094242
11154809a1905
127612795516
133865595427
141c374c701c
15101b35e07c
hex9053571a2

38742094242 has 12 divisors (see below), whose sum is σ = 83941204230. Its totient is φ = 12914031408.

The previous prime is 38742094241. The next prime is 38742094243. The reversal of 38742094242 is 24249024783.

It is a happy number.

38742094242 is a `hidden beast` number, since 387 + 4 + 20 + 9 + 4 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (38742094241) and next prime (38742094243).

It can be written as a sum of positive squares in only one way, i.e., 38080009881 + 662084361 = 195141^2 + 25731^2 .

It is not an unprimeable number, because it can be changed into a prime (38742094241) 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, 1076169267 + ... + 1076169302.

Almost surely, 238742094242 is an apocalyptic number.

38742094242 is an abundant number, since it is smaller than the sum of its proper divisors (45199109988).

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

38742094242 is a wasteful number, since it uses less digits than its factorization.

38742094242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152338577 (or 2152338574 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 38742094242 in words is "thirty-eight billion, seven hundred forty-two million, ninety-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 2152338569 4304677138 6457015707 12914031414 19371047121 38742094242