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13123130031014 = 231211663387597
BaseRepresentation
bin1011111011110111011110…
…0000001111101110100110
31201110120002111101012010112
42332331313200033232212
53210002132241443024
643524403244253022
72523054252526553
oct276756740175646
951416074335115
1013123130031014
1141aa540868503
12157b425841172
13742676483933
1433523cd41a2a
1517b56931900e
hexbef7780fba6

13123130031014 has 8 divisors (see below), whose sum is σ = 20319685209408. Its totient is φ = 6349901627880.

The previous prime is 13123130031007. The next prime is 13123130031019. The reversal of 13123130031014 is 41013003132131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123130031019) 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, 105831693737 + ... + 105831693860.

It is an arithmetic number, because the mean of its divisors is an integer number (2539960651176).

Almost surely, 213123130031014 is an apocalyptic number.

13123130031014 is a deficient number, since it is larger than the sum of its proper divisors (7196555178394).

13123130031014 is a wasteful number, since it uses less digits than its factorization.

13123130031014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211663387630.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13123130031014 its reverse (41013003132131), we get a palindrome (54136133163145).

The spelling of 13123130031014 in words is "thirteen trillion, one hundred twenty-three billion, one hundred thirty million, thirty-one thousand, fourteen".

Divisors: 1 2 31 62 211663387597 423326775194 6561565015507 13123130031014