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37818107668 = 22114319988429
BaseRepresentation
bin100011001110001000…
…101000011100010100
310121121121102220220101
4203032020220130110
51104422413421133
625212353143444
72506111416445
oct431610503424
9117547386811
1037818107668
1115047377040
1273b525ab84
133749020c03
141b8a8c52cc
15eb519537d
hex8ce228714

37818107668 has 24 divisors (see below), whose sum is σ = 73877237280. Its totient is φ = 16790279520.

The previous prime is 37818107603. The next prime is 37818107669. The reversal of 37818107668 is 86670181873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37818107669) 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, 9992323 + ... + 9996106.

It is an arithmetic number, because the mean of its divisors is an integer number (3078218220).

Almost surely, 237818107668 is an apocalyptic number.

It is an amenable number.

37818107668 is a deficient number, since it is larger than the sum of its proper divisors (36059129612).

37818107668 is a wasteful number, since it uses less digits than its factorization.

37818107668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988487 (or 19988485 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 37818107668 in words is "thirty-seven billion, eight hundred eighteen million, one hundred seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892 19988429 39976858 79953716 219872719 439745438 859502447 879490876 1719004894 3438009788 9454526917 18909053834 37818107668