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37142979993 = 327589571111
BaseRepresentation
bin100010100101111001…
…001110010110011001
310112212120001212211200
4202211321032112121
51102032100324433
625021354544413
72453303056260
oct424571162631
9115776055750
1037142979993
1114830275689
127247138109
13366c1ac892
141b24d835d7
15e75c87613
hex8a5e4e599

37142979993 has 12 divisors (see below), whose sum is σ = 61315395648. Its totient is φ = 21224559960.

The previous prime is 37142979961. The next prime is 37142980013. The reversal of 37142979993 is 39997924173.

37142979993 is a `hidden beast` number, since 37 + 1 + 429 + 7 + 99 + 93 = 666.

37142979993 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 37142979993 - 25 = 37142979961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 589571111 = 37142979993 / (3 + 7 + 1 + 4 + 2 + 9 + 7 + 9 + 9 + 9 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 37142979993.

It is not an unprimeable number, because it can be changed into a prime (37142979953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294785493 + ... + 294785618.

It is an arithmetic number, because the mean of its divisors is an integer number (5109616304).

Almost surely, 237142979993 is an apocalyptic number.

It is an amenable number.

37142979993 is a deficient number, since it is larger than the sum of its proper divisors (24172415655).

37142979993 is a wasteful number, since it uses less digits than its factorization.

37142979993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589571124 (or 589571121 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The spelling of 37142979993 in words is "thirty-seven billion, one hundred forty-two million, nine hundred seventy-nine thousand, nine hundred ninety-three".

Divisors: 1 3 7 9 21 63 589571111 1768713333 4126997777 5306139999 12380993331 37142979993