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63070385491 = 298292623451
BaseRepresentation
bin111010101111010010…
…011011010101010011
320000210111001112211101
4322233102123111103
52013132004313431
644550225125231
74361641300621
oct725722332523
9200714045741
1063070385491
1124825652133
1210282189817
135c418b6839
1430a457c511
15199209b961
hexeaf49b553

63070385491 has 8 divisors (see below), whose sum is σ = 65323954800. Its totient is φ = 60822064800.

The previous prime is 63070385473. The next prime is 63070385501. The reversal of 63070385491 is 19458307036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63070385491 - 213 = 63070377299 is a prime.

It is a super-2 number, since 2×630703854912 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63070385461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287685 + ... + 1335766.

It is an arithmetic number, because the mean of its divisors is an integer number (8165494350).

Almost surely, 263070385491 is an apocalyptic number.

63070385491 is a deficient number, since it is larger than the sum of its proper divisors (2253569309).

63070385491 is a wasteful number, since it uses less digits than its factorization.

63070385491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624309.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 63070385491 in words is "sixty-three billion, seventy million, three hundred eighty-five thousand, four hundred ninety-one".

Divisors: 1 29 829 24041 2623451 76080079 2174840879 63070385491