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63379301381 = 116781849691
BaseRepresentation
bin111011000001101100…
…110110010000000101
320001121000100002202122
4323001230312100011
52014300100121011
645041022215325
74402412113214
oct730154662005
9201530302678
1063379301381
1124973a66220
1210349724545
135c908b68c6
1430d35d307b
1519ae26c3db
hexec1b36405

63379301381 has 8 divisors (see below), whose sum is σ = 69151333728. Its totient is φ = 57608982000.

The previous prime is 63379301347. The next prime is 63379301389. The reversal of 63379301381 is 18310397336.

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 63379301381 - 210 = 63379300357 is a prime.

It is a super-2 number, since 2×633793013812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63379301389) 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, 350255 + ... + 499436.

It is an arithmetic number, because the mean of its divisors is an integer number (8643916716).

Almost surely, 263379301381 is an apocalyptic number.

It is an amenable number.

63379301381 is a deficient number, since it is larger than the sum of its proper divisors (5772032347).

63379301381 is a wasteful number, since it uses less digits than its factorization.

63379301381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856483.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 63379301381 in words is "sixty-three billion, three hundred seventy-nine million, three hundred one thousand, three hundred eighty-one".

Divisors: 1 11 6781 74591 849691 9346601 5761754671 63379301381