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305445053150053 = 2943571617695257
BaseRepresentation
bin100010101110011001111011…
…1111001000011001101100101
31111001111021001221002020111021
41011130303313321003031211
5310013402432101300203
63001343304214211141
7121223451105546025
oct10534636771031545
91431437057066437
10305445053150053
1189362579626893
122a31136a353ab1
1310158463a3768b
14555d895ac7a85
15254a4d7db55bd
hex115ccf7e43365

305445053150053 has 32 divisors (see below), whose sum is σ = 324417616997760. Its totient is φ = 287083105182720.

The previous prime is 305445053150051. The next prime is 305445053150063. The reversal of 305445053150053 is 350051350544503.

It is a cyclic number.

It is not a de Polignac number, because 305445053150053 - 21 = 305445053150051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305445053149991 and 305445053150009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305445053150051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438979201 + ... + 439674457.

It is an arithmetic number, because the mean of its divisors is an integer number (10138050531180).

Almost surely, 2305445053150053 is an apocalyptic number.

It is an amenable number.

305445053150053 is a deficient number, since it is larger than the sum of its proper divisors (18972563847707).

305445053150053 is a wasteful number, since it uses less digits than its factorization.

305445053150053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696517.

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 305445053150053 in words is "three hundred five trillion, four hundred forty-five billion, fifty-three million, one hundred fifty thousand, fifty-three".

Divisors: 1 29 43 571 617 1247 16559 17893 24553 26531 352307 695257 712037 769399 10216903 15149201 20162453 29896051 396991747 428973569 439326829 866985479 11512760663 12440233501 17070645121 18445863467 244943907899 495048708509 534930040543 7103373329071 10532588039657 305445053150053