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203136530324 = 22721379723913
BaseRepresentation
bin1011110100101111100…
…0010111011110010100
3201102022221012221020012
42331023320113132110
511312010422432244
6233153012455352
720450625006200
oct2751370273624
9642287187205
10203136530324
1179171303922
123345201a558
1316204097690
149b908a7b00
15543d9d689e
hex2f4be17794

203136530324 has 36 divisors (see below), whose sum is σ = 445337783604. Its totient is φ = 80361703296.

The previous prime is 203136530299. The next prime is 203136530369. The reversal of 203136530324 is 423035631302.

It can be written as a sum of positive squares in 2 ways, for example, as 18252010000 + 184884520324 = 135100^2 + 429982^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39859409 + ... + 39864504.

It is an arithmetic number, because the mean of its divisors is an integer number (12370493989).

Almost surely, 2203136530324 is an apocalyptic number.

It is an amenable number.

203136530324 is an abundant number, since it is smaller than the sum of its proper divisors (242201253280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203136530324 is a wasteful number, since it uses less digits than its factorization.

203136530324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79723944 (or 79723935 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The spelling of 203136530324 in words is "two hundred three billion, one hundred thirty-six million, five hundred thirty thousand, three hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 79723913 159447826 318895652 558067391 1036410869 1116134782 2072821738 2232269564 3906471737 4145643476 7254876083 7812943474 14509752166 15625886948 29019504332 50784132581 101568265162 203136530324