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3742000081 = 47557142939
BaseRepresentation
bin1101111100001010…
…0110001111010001
3100122210020022002121
43133002212033101
530130423000311
61415152014241
7161505322141
oct33702461721
910583208077
103742000081
111650297056
12885231381
1347833a941
14276d94921
1516d7b0b71
hexdf0a63d1

3742000081 has 8 divisors (see below), whose sum is σ = 3828504960. Its totient is φ = 3655782288.

The previous prime is 3742000079. The next prime is 3742000103. The reversal of 3742000081 is 1800002473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3742000081 - 21 = 3742000079 is a prime.

It is a super-2 number, since 2×37420000812 = 28005129212408013122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3742000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45291 + ... + 97648.

It is an arithmetic number, because the mean of its divisors is an integer number (478563120).

Almost surely, 23742000081 is an apocalyptic number.

3742000081 is the 38689-th centered pentagonal number.

It is an amenable number.

3742000081 is a deficient number, since it is larger than the sum of its proper divisors (86504879).

3742000081 is a wasteful number, since it uses less digits than its factorization.

3742000081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143543.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3742000081 is about 61171.8896307773. The cubic root of 3742000081 is about 1552.5106838354.

The spelling of 3742000081 in words is "three billion, seven hundred forty-two million, eighty-one", and thus it is an aban number.

Divisors: 1 47 557 26179 142939 6718133 79617023 3742000081