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303000000000013 = 7157726387280297
BaseRepresentation
bin100010011100100111010111…
…1010111011111000000001101
31110201211111221222012212022201
41010321032233113133000031
5304203323000000000023
62552232140043441501
7120552012314644201
oct10471165727370015
91421744858185281
10303000000000013
11885aa63a896208
1229b9751ab26291
131000ba14c34a14
1454b73c772cb01
152506ad30a2bad
hex11393af5df00d

303000000000013 has 16 divisors (see below), whose sum is σ = 307812894816384. Its totient is φ = 298202295121920.

The previous prime is 302999999999927. The next prime is 303000000000041. The reversal of 303000000000013 is 310000000000303.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-303000000000013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303000000000613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080856081 + ... + 1081136377.

It is an arithmetic number, because the mean of its divisors is an integer number (19238305926024).

Almost surely, 2303000000000013 is an apocalyptic number.

It is an amenable number.

303000000000013 is a deficient number, since it is larger than the sum of its proper divisors (4812894816371).

303000000000013 is a wasteful number, since it uses less digits than its factorization.

303000000000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307332.

The product of its (nonzero) digits is 27, while the sum is 10.

Adding to 303000000000013 its reverse (310000000000303), we get a palindrome (613000000000316).

The spelling of 303000000000013 in words is "three hundred three trillion, thirteen", and thus it is an aban number.

Divisors: 1 71 577 26387 40967 280297 1873477 15225299 19901087 161731369 1080996229 7396196939 11482927199 525129982669 4267605633803 303000000000013