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10305149673 = 3721323113381
BaseRepresentation
bin10011001100011110…
…00001101011101001
3222121011221211210010
421212033001223221
5132101104242143
64422323042133
7513241220100
oct114617015351
928534854703
1010305149673
114408a96525
121bb7210349
13c82c9c200
146da8b7037
15404a87a33
hex2663c1ae9

10305149673 has 72 divisors (see below), whose sum is σ = 17867218176. Its totient is φ = 5259945600.

The previous prime is 10305149671. The next prime is 10305149689. The reversal of 10305149673 is 37694150301.

10305149673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10305149673 - 21 = 10305149671 is a prime.

It is a super-2 number, since 2×103051496732 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305149671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 763443 + ... + 776823.

It is an arithmetic number, because the mean of its divisors is an integer number (248155808).

Almost surely, 210305149673 is an apocalyptic number.

10305149673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10305149673 is a deficient number, since it is larger than the sum of its proper divisors (7562068503).

10305149673 is a wasteful number, since it uses less digits than its factorization.

10305149673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455 (or 13435 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

Adding to 10305149673 its reverse (37694150301), we get a palindrome (47999299974).

The spelling of 10305149673 in words is "ten billion, three hundred five million, one hundred forty-nine thousand, six hundred seventy-three".

Divisors: 1 3 7 13 21 31 39 49 91 93 147 169 217 273 403 507 637 651 1183 1209 1519 1911 2821 3549 4557 5239 8281 8463 13381 15717 19747 24843 36673 40143 59241 93667 110019 173953 256711 281001 414811 521859 655669 770133 1217671 1244433 1967007 2261389 2903677 3653013 5392543 6784167 8523697 8711031 15829723 16177629 20325739 25571091 37747801 47489169 60977217 70103059 110808061 113243403 210309177 264234607 332424183 490721413 792703821 1472164239 3435049891 10305149673