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30006710517 = 376773292147
BaseRepresentation
bin11011111100100010…
…100001000011110101
32212110012220211110210
4123330202201003311
5442423204214032
621441311540033
72111410555020
oct337442410365
985405824423
1030006710517
11117a9007813
12599522a619
132aa28a4614
1416492b41b7
15ba95022cc
hex6fc8a10f5

30006710517 has 32 divisors (see below), whose sum is σ = 47042839552. Its totient is φ = 16659333504.

The previous prime is 30006710491. The next prime is 30006710527. The reversal of 30006710517 is 71501760003.

It is not a de Polignac number, because 30006710517 - 211 = 30006708469 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 (30006710527) 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, 43363 + ... + 248784.

It is an arithmetic number, because the mean of its divisors is an integer number (1470088736).

Almost surely, 230006710517 is an apocalyptic number.

It is an amenable number.

30006710517 is a deficient number, since it is larger than the sum of its proper divisors (17036129035).

30006710517 is a wasteful number, since it uses less digits than its factorization.

30006710517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292297.

The product of its (nonzero) digits is 4410, while the sum is 30.

The spelling of 30006710517 in words is "thirty billion, six million, seven hundred ten thousand, five hundred seventeen".

Divisors: 1 3 7 21 67 73 201 219 469 511 1407 1533 4891 14673 34237 102711 292147 876441 2045029 6135087 19573849 21326731 58721547 63980193 137016943 149287117 411050829 447861351 1428890977 4286672931 10002236839 30006710517