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147430812769 is a prime number
BaseRepresentation
bin1000100101001110001…
…1111010110001100001
3112002112201002021112221
42021103203322301201
54403414242002034
6151421225551041
713436321142322
oct2112343726141
9462481067487
10147430812769
1157585939819
12246a6345481
1310b97207426
1471c8490449
153c7d288bb4
hex22538fac61

147430812769 has 2 divisors, whose sum is σ = 147430812770. Its totient is φ = 147430812768.

The previous prime is 147430812743. The next prime is 147430812773. The reversal of 147430812769 is 967218034741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122141862144 + 25288950625 = 349488^2 + 159025^2 .

It is a cyclic number.

It is not a de Polignac number, because 147430812769 - 221 = 147428715617 is a prime.

It is a super-2 number, since 2×1474308127692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147430815769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73715406384 + 73715406385.

It is an arithmetic number, because the mean of its divisors is an integer number (73715406385).

Almost surely, 2147430812769 is an apocalyptic number.

It is an amenable number.

147430812769 is a deficient number, since it is larger than the sum of its proper divisors (1).

147430812769 is an equidigital number, since it uses as much as digits as its factorization.

147430812769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 147430812769 in words is "one hundred forty-seven billion, four hundred thirty million, eight hundred twelve thousand, seven hundred sixty-nine".