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30136774365 = 3254993134129
BaseRepresentation
bin11100000100010010…
…101010111011011101
32212210021122202112100
4130010102222323131
5443210003234430
621502235355313
72114550232635
oct340422527335
985707582470
1030136774365
11118654726a5
125a108b2b39
132ac3813189
14165c68d6c5
15bb5b44960
hex7044aaedd

30136774365 has 24 divisors (see below), whose sum is σ = 52247927160. Its totient is φ = 16069607424.

The previous prime is 30136774363. The next prime is 30136774373. The reversal of 30136774365 is 56347763103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1450238724 + 28686535641 = 38082^2 + 169371^2 .

It is not a de Polignac number, because 30136774365 - 21 = 30136774363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 30136774365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30136774363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157621 + ... + 291749.

It is an arithmetic number, because the mean of its divisors is an integer number (2176996965).

Almost surely, 230136774365 is an apocalyptic number.

It is an amenable number.

30136774365 is a deficient number, since it is larger than the sum of its proper divisors (22111152795).

30136774365 is a wasteful number, since it uses less digits than its factorization.

30136774365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139133 (or 139130 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 45.

The spelling of 30136774365 in words is "thirty billion, one hundred thirty-six million, seven hundred seventy-four thousand, three hundred sixty-five".

Divisors: 1 3 5 9 15 45 4993 14979 24965 44937 74895 134129 224685 402387 670645 1207161 2011935 6035805 669706097 2009118291 3348530485 6027354873 10045591455 30136774365