Search a number
-
+
30620250743 is a prime number
BaseRepresentation
bin11100100001000110…
…111111001001110111
32221000222101220102212
4130201012333021313
51000202241010433
622022230124035
72132540560025
oct344106771167
987028356385
1030620250743
1111a93373655
125b267b061b
132b6ca31284
1416a6983715
15be32e6d48
hex7211bf277

30620250743 has 2 divisors, whose sum is σ = 30620250744. Its totient is φ = 30620250742.

The previous prime is 30620250721. The next prime is 30620250761. The reversal of 30620250743 is 34705202603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30620250743 - 28 = 30620250487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30620250763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15310125371 + 15310125372.

It is an arithmetic number, because the mean of its divisors is an integer number (15310125372).

Almost surely, 230620250743 is an apocalyptic number.

30620250743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30620250743 is an equidigital number, since it uses as much as digits as its factorization.

30620250743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 30620250743 in words is "thirty billion, six hundred twenty million, two hundred fifty thousand, seven hundred forty-three".