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19740631300 = 22521315185101
BaseRepresentation
bin10010011000101000…
…100010000100000100
31212221202110222021121
4102120220202010010
5310412100200200
613022502123324
71266122411635
oct223050420404
955852428247
1019740631300
118410087525
1239ab120544
131b27a34b30
14d53a8b88c
157a80d5e1a
hex498a22104

19740631300 has 36 divisors (see below), whose sum is σ = 46132339876. Its totient is φ = 7288848000.

The previous prime is 19740631279. The next prime is 19740631301. The reversal of 19740631300 is 313604791.

It can be written as a sum of positive squares in 6 ways, for example, as 7053312256 + 12687319044 = 83984^2 + 112638^2 .

It is not an unprimeable number, because it can be changed into a prime (19740631301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7591251 + ... + 7593850.

Almost surely, 219740631300 is an apocalyptic number.

19740631300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19740631300 is an abundant number, since it is smaller than the sum of its proper divisors (26391708576).

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

19740631300 is a wasteful number, since it uses less digits than its factorization.

19740631300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185128 (or 15185121 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 19740631300 in words is "nineteen billion, seven hundred forty million, six hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 15185101 30370202 60740404 75925505 151851010 197406313 303702020 379627525 394812626 759255050 789625252 987031565 1518510100 1974063130 3948126260 4935157825 9870315650 19740631300