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30561345506553 = 353192209720167
BaseRepresentation
bin1101111001011100111100…
…01001001000110011111001
311000012122011201022002110220
412330232132021020303321
513001204113422202203
6144555404401330253
76302661426435111
oct674563611106371
9130178151262426
1030561345506553
119812aa28955a4
123516bb0936989
131408bcb9c6214
14779269a2c041
1537ee8633d653
hex1bcb9e248cf9

30561345506553 has 8 divisors (see below), whose sum is σ = 41517299556288. Its totient is φ = 19989810897264.

The previous prime is 30561345506491. The next prime is 30561345506561. The reversal of 30561345506553 is 35560554316503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30561345506553 - 210 = 30561345505529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30561345506496 and 30561345506505.

It is not an unprimeable number, because it can be changed into a prime (30561345106553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96104859925 + ... + 96104860242.

It is an arithmetic number, because the mean of its divisors is an integer number (5189662444536).

Almost surely, 230561345506553 is an apocalyptic number.

It is an amenable number.

30561345506553 is a deficient number, since it is larger than the sum of its proper divisors (10955954049735).

30561345506553 is a wasteful number, since it uses less digits than its factorization.

30561345506553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192209720223.

The product of its (nonzero) digits is 12150000, while the sum is 51.

The spelling of 30561345506553 in words is "thirty trillion, five hundred sixty-one billion, three hundred forty-five million, five hundred six thousand, five hundred fifty-three".

Divisors: 1 3 53 159 192209720167 576629160501 10187115168851 30561345506553