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742078363189 is a prime number
BaseRepresentation
bin10101100110001110101…
…00010011011000110101
32121221102201100201112211
422303013110103120311
544124234030110224
61324523414413421
7104420252004142
oct12630724233065
92557381321484
10742078363189
11266793987769
12bb9a0661271
1354c92ca2bb7
1427cb99293c9
1514483280894
hexacc7513635

742078363189 has 2 divisors, whose sum is σ = 742078363190. Its totient is φ = 742078363188.

The previous prime is 742078363177. The next prime is 742078363211. The reversal of 742078363189 is 981363870247.

742078363189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682656012900 + 59422350289 = 826230^2 + 243767^2 .

It is a cyclic number.

It is not a de Polignac number, because 742078363189 - 29 = 742078362677 is a prime.

It is a super-2 number, since 2×7420783631892 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742078369189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371039181594 + 371039181595.

It is an arithmetic number, because the mean of its divisors is an integer number (371039181595).

Almost surely, 2742078363189 is an apocalyptic number.

It is an amenable number.

742078363189 is a deficient number, since it is larger than the sum of its proper divisors (1).

742078363189 is an equidigital number, since it uses as much as digits as its factorization.

742078363189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 742078363189 in words is "seven hundred forty-two billion, seventy-eight million, three hundred sixty-three thousand, one hundred eighty-nine".