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13051485023 = 41318328903
BaseRepresentation
bin11000010011110110…
…11101101101011111
31020200120200010122012
430021323131231133
5203212140010043
65555030341435
7641266535513
oct141173355537
936616603565
1013051485023
11559824a965
122642aba87b
1312ccc5a005
148bb52c143
15515c21a18
hex309eddb5f

13051485023 has 4 divisors (see below), whose sum is σ = 13369813968. Its totient is φ = 12733156080.

The previous prime is 13051485019. The next prime is 13051485077. The reversal of 13051485023 is 32058415031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13051485023 - 22 = 13051485019 is a prime.

It is a super-2 number, since 2×130514850232 (a number of 21 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 (13051485523) 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, 159164411 + ... + 159164492.

It is an arithmetic number, because the mean of its divisors is an integer number (3342453492).

Almost surely, 213051485023 is an apocalyptic number.

13051485023 is a deficient number, since it is larger than the sum of its proper divisors (318328945).

13051485023 is an equidigital number, since it uses as much as digits as its factorization.

13051485023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318328944.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 13051485023 in words is "thirteen billion, fifty-one million, four hundred eighty-five thousand, twenty-three".

Divisors: 1 41 318328903 13051485023