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6930732137 = 72586124133
BaseRepresentation
bin1100111010001101…
…01001010001101001
3122220000101200010212
412131012221101221
5103143231412022
63103421350505
7333515152100
oct63506512151
918800350125
106930732137
112a372436aa
121415108435
13865b62744
1449a689037
152a86d53e2
hex19d1a9469

6930732137 has 12 divisors (see below), whose sum is σ = 8063989956. Its totient is φ = 5939367840.

The previous prime is 6930732113. The next prime is 6930732157. The reversal of 6930732137 is 7312370396.

It can be written as a sum of positive squares in 2 ways, for example, as 3125816281 + 3804915856 = 55909^2 + 61684^2 .

It is not a de Polignac number, because 6930732137 - 210 = 6930731113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6930732094 and 6930732103.

It is not an unprimeable number, because it can be changed into a prime (6930732157) 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, 275123 + ... + 299255.

It is an arithmetic number, because the mean of its divisors is an integer number (671999163).

Almost surely, 26930732137 is an apocalyptic number.

It is an amenable number.

6930732137 is a deficient number, since it is larger than the sum of its proper divisors (1133257819).

6930732137 is a wasteful number, since it uses less digits than its factorization.

6930732137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30008 (or 30001 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 6930732137 is about 83251.0188346065. The cubic root of 6930732137 is about 1906.6005096115.

The spelling of 6930732137 in words is "six billion, nine hundred thirty million, seven hundred thirty-two thousand, one hundred thirty-seven".

Divisors: 1 7 49 5861 24133 41027 168931 287189 1182517 141443513 990104591 6930732137