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505031106449 = 23711063920021
BaseRepresentation
bin1110101100101100011…
…00110001111110010001
31210021120111010101211102
413112112030301332101
531233300430401244
61024001425154145
751326066401232
oct7262614617621
91707514111742
10505031106449
11185200991211
1281a65a8b955
133881657b13c
141a62d4a1089
15d20c68154e
hex7596331f91

505031106449 has 8 divisors (see below), whose sum is σ = 505316837760. Its totient is φ = 504745441200.

The previous prime is 505031106443. The next prime is 505031106511. The reversal of 505031106449 is 944601130505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-505031106449 is a prime.

It is a super-2 number, since 2×5050311064492 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505031106443) 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, 25215059 + ... + 25235079.

It is an arithmetic number, because the mean of its divisors is an integer number (63164604720).

Almost surely, 2505031106449 is an apocalyptic number.

It is an amenable number.

505031106449 is a deficient number, since it is larger than the sum of its proper divisors (285731311).

505031106449 is a wasteful number, since it uses less digits than its factorization.

505031106449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33031.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 505031106449 in words is "five hundred five billion, thirty-one million, one hundred six thousand, four hundred forty-nine".

Divisors: 1 2371 10639 20021 25225069 47469791 213003419 505031106449