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13976504950 = 2521716442947
BaseRepresentation
bin11010000010001000…
…01000101001110110
31100002001021000102111
431001010020221312
5212110441124300
610230513001234
71003231221562
oct150104105166
940061230374
1013976504950
115a22411041
12286085321a
1314197a3995
1496831c6a2
1556c0419ba
hex341108a76

13976504950 has 24 divisors (see below), whose sum is σ = 27525494952. Its totient is φ = 5261742720.

The previous prime is 13976504939. The next prime is 13976504951. The reversal of 13976504950 is 5940567931.

It is a junction number, because it is equal to n+sod(n) for n = 13976504894 and 13976504903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13976504951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8220624 + ... + 8222323.

It is an arithmetic number, because the mean of its divisors is an integer number (1146895623).

Almost surely, 213976504950 is an apocalyptic number.

13976504950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13976504950 is a deficient number, since it is larger than the sum of its proper divisors (13548990002).

13976504950 is a wasteful number, since it uses less digits than its factorization.

13976504950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16442976 (or 16442971 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 13976504950 in words is "thirteen billion, nine hundred seventy-six million, five hundred four thousand, nine hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 16442947 32885894 82214735 164429470 279530099 411073675 559060198 822147350 1397650495 2795300990 6988252475 13976504950