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147394871345 = 529478974269
BaseRepresentation
bin1000100101000101101…
…0110100000000110001
3112002110012110021012002
42021101122310000301
54403331041340340
6151413503343345
713435403506661
oct2112132640061
9462405407162
10147394871345
1157567620467
12246962b1b55
1310b8c932007
1471c37b61a1
153c7a039715
hex22516b4031

147394871345 has 4 divisors (see below), whose sum is σ = 176873845620. Its totient is φ = 117915897072.

The previous prime is 147394871329. The next prime is 147394871347. The reversal of 147394871345 is 543178493741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543178493741 = 1341782961057.

It can be written as a sum of positive squares in 2 ways, for example, as 29289926449 + 118104944896 = 171143^2 + 343664^2 .

It is a cyclic number.

It is not a de Polignac number, because 147394871345 - 24 = 147394871329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147394871347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14739487130 + ... + 14739487139.

It is an arithmetic number, because the mean of its divisors is an integer number (44218461405).

Almost surely, 2147394871345 is an apocalyptic number.

It is an amenable number.

147394871345 is a deficient number, since it is larger than the sum of its proper divisors (29478974275).

147394871345 is an equidigital number, since it uses as much as digits as its factorization.

147394871345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29478974274.

The product of its digits is 10160640, while the sum is 56.

The spelling of 147394871345 in words is "one hundred forty-seven billion, three hundred ninety-four million, eight hundred seventy-one thousand, three hundred forty-five".

Divisors: 1 5 29478974269 147394871345