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3718803940 = 225185940197
BaseRepresentation
bin1101110110101000…
…0111000111100100
3100121011120210222021
43131222013013210
530104003211230
61413002512524
7161104211665
oct33552070744
910534523867
103718803940
111639193495
12879505744
134735a8807
14273c7736c
1516b72cc7a
hexdda871e4

3718803940 has 12 divisors (see below), whose sum is σ = 7809488316. Its totient is φ = 1487521568.

The previous prime is 3718803931. The next prime is 3718803971. The reversal of 3718803940 is 493088173.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 868952484 + 2849851456 = 29478^2 + 53384^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92970079 + ... + 92970118.

It is an arithmetic number, because the mean of its divisors is an integer number (650790693).

Almost surely, 23718803940 is an apocalyptic number.

It is an amenable number.

3718803940 is an abundant number, since it is smaller than the sum of its proper divisors (4090684376).

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

3718803940 is a wasteful number, since it uses less digits than its factorization.

3718803940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185940206 (or 185940204 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 3718803940 is about 60981.9968515299. The cubic root of 3718803940 is about 1549.2960993944.

The spelling of 3718803940 in words is "three billion, seven hundred eighteen million, eight hundred three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 185940197 371880394 743760788 929700985 1859401970 3718803940