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70179654481 is a prime number
BaseRepresentation
bin100000101011100001…
…0001000101101010001
320201010221101211111021
41001113002020231101
52122211442420411
652123505315441
75033055135436
oct1012702105521
9221127354437
1070179654481
1127843649152
1211727035b81
13680572a191
14357a81db8d
151c5b29ba71
hex1057088b51

70179654481 has 2 divisors, whose sum is σ = 70179654482. Its totient is φ = 70179654480.

The previous prime is 70179654463. The next prime is 70179654509. The reversal of 70179654481 is 18445697107.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69308460225 + 871194256 = 263265^2 + 29516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70179654481 is a prime.

It is a super-2 number, since 2×701796544812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70179654431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35089827240 + 35089827241.

It is an arithmetic number, because the mean of its divisors is an integer number (35089827241).

Almost surely, 270179654481 is an apocalyptic number.

It is an amenable number.

70179654481 is a deficient number, since it is larger than the sum of its proper divisors (1).

70179654481 is an equidigital number, since it uses as much as digits as its factorization.

70179654481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 70179654481 in words is "seventy billion, one hundred seventy-nine million, six hundred fifty-four thousand, four hundred eighty-one".