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748968066061 is a prime number
BaseRepresentation
bin10101110011000011111…
…10011011110000001101
32122121012212112220010021
422321201332123300031
544232341311103221
61332023212542141
7105053061343345
oct12714176336015
92577185486107
10748968066061
112696a9a47486
121011a3a81951
135582049b467
1428370973d25
151473805e041
hexae61f9bc0d

748968066061 has 2 divisors, whose sum is σ = 748968066062. Its totient is φ = 748968066060.

The previous prime is 748968065971. The next prime is 748968066089. The reversal of 748968066061 is 160660869847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698979602500 + 49988463561 = 836050^2 + 223581^2 .

It is an emirp because it is prime and its reverse (160660869847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748968066061 - 27 = 748968065933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748968066961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374484033030 + 374484033031.

It is an arithmetic number, because the mean of its divisors is an integer number (374484033031).

Almost surely, 2748968066061 is an apocalyptic number.

It is an amenable number.

748968066061 is a deficient number, since it is larger than the sum of its proper divisors (1).

748968066061 is an equidigital number, since it uses as much as digits as its factorization.

748968066061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 748968066061 in words is "seven hundred forty-eight billion, nine hundred sixty-eight million, sixty-six thousand, sixty-one".