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4930681237 = 32591512943
BaseRepresentation
bin1001001011110010…
…00011100110010101
3110201121221120002121
410211321003212111
540044223244422
62133133335541
7233121045646
oct44571034625
913647846077
104930681237
112100271879
12b573375b1
1360769b181
1434abb96cd
151dcd128c7
hex125e43995

4930681237 has 4 divisors (see below), whose sum is σ = 4932197440. Its totient is φ = 4929165036.

The previous prime is 4930681201. The next prime is 4930681243. The reversal of 4930681237 is 7321860394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7321860394 = 23660930197.

It is a cyclic number.

It is not a de Polignac number, because 4930681237 - 27 = 4930681109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4930681193 and 4930681202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4930681337) 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, 753213 + ... + 759730.

It is an arithmetic number, because the mean of its divisors is an integer number (1233049360).

Almost surely, 24930681237 is an apocalyptic number.

It is an amenable number.

4930681237 is a deficient number, since it is larger than the sum of its proper divisors (1516203).

4930681237 is a wasteful number, since it uses less digits than its factorization.

4930681237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516202.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 4930681237 is about 70218.8097093649. The cubic root of 4930681237 is about 1702.0369167815.

The spelling of 4930681237 in words is "four billion, nine hundred thirty million, six hundred eighty-one thousand, two hundred thirty-seven".

Divisors: 1 3259 1512943 4930681237