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37742038641 = 331397853283
BaseRepresentation
bin100011001001100110…
…011100111001110001
310121102022022012211000
4203021212130321301
51104243430214031
625201034512213
72504166015036
oct431146347161
9117368265730
1037742038641
111500844027a
127393895669
133736338b58
141b8076338d
15ead66b3e6
hex8c999ce71

37742038641 has 8 divisors (see below), whose sum is σ = 55914131360. Its totient is φ = 25161359076.

The previous prime is 37742038637. The next prime is 37742038667. The reversal of 37742038641 is 14683024773.

37742038641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37742038641 - 22 = 37742038637 is a prime.

It is a super-2 number, since 2×377420386412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (37742038681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698926615 + ... + 698926668.

It is an arithmetic number, because the mean of its divisors is an integer number (6989266420).

Almost surely, 237742038641 is an apocalyptic number.

It is an amenable number.

37742038641 is a deficient number, since it is larger than the sum of its proper divisors (18172092719).

37742038641 is a wasteful number, since it uses less digits than its factorization.

37742038641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397853292 (or 1397853286 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 37742038641 in words is "thirty-seven billion, seven hundred forty-two million, thirty-eight thousand, six hundred forty-one".

Divisors: 1 3 9 27 1397853283 4193559849 12580679547 37742038641