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63193781941 = 293904755807
BaseRepresentation
bin111010110110101001…
…001001011010110101
320001010002020201221021
4322312221021122311
52013410102010231
645010354021141
74365000166213
oct726651113265
9201102221837
1063193781941
1124889273774
12102b75777b1
135c6132c6a4
1430b6addcb3
15199cd23811
hexeb6a496b5

63193781941 has 8 divisors (see below), whose sum is σ = 65375723520. Its totient is φ = 61012030128.

The previous prime is 63193781939. The next prime is 63193781993. The reversal of 63193781941 is 14918739136.

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 63193781941 - 21 = 63193781939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63193781921) 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, 1104460 + ... + 1160266.

It is an arithmetic number, because the mean of its divisors is an integer number (8171965440).

Almost surely, 263193781941 is an apocalyptic number.

It is an amenable number.

63193781941 is a deficient number, since it is larger than the sum of its proper divisors (2181941579).

63193781941 is a wasteful number, since it uses less digits than its factorization.

63193781941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94883.

The product of its digits is 979776, while the sum is 52.

The spelling of 63193781941 in words is "sixty-three billion, one hundred ninety-three million, seven hundred eighty-one thousand, nine hundred forty-one".

Divisors: 1 29 39047 55807 1132363 1618403 2179095929 63193781941