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37941818869 = 110934212641
BaseRepresentation
bin100011010101100000…
…100011010111110101
310121221020020002202201
4203111200203113311
51110201101200434
625232532504501
72512143065503
oct432540432765
9117836202681
1037941818869
11151001930a9
12742a77b131
1337688470c6
141b9d0c9673
15ec0e80614
hex8d58235f5

37941818869 has 4 divisors (see below), whose sum is σ = 37976032620. Its totient is φ = 37907605120.

The previous prime is 37941818867. The next prime is 37941818911. The reversal of 37941818869 is 96881814973.

37941818869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13021092100 + 24920726769 = 114110^2 + 157863^2 .

It is a cyclic number.

It is not a de Polignac number, because 37941818869 - 21 = 37941818867 is a prime.

It is a super-2 number, since 2×379418188692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37941818869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37941818867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17105212 + ... + 17107429.

It is an arithmetic number, because the mean of its divisors is an integer number (9494008155).

Almost surely, 237941818869 is an apocalyptic number.

It is an amenable number.

37941818869 is a deficient number, since it is larger than the sum of its proper divisors (34213751).

37941818869 is a wasteful number, since it uses less digits than its factorization.

37941818869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34213750.

The product of its digits is 20901888, while the sum is 64.

The spelling of 37941818869 in words is "thirty-seven billion, nine hundred forty-one million, eight hundred eighteen thousand, eight hundred sixty-nine".

Divisors: 1 1109 34212641 37941818869