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3012131300 = 225247976607
BaseRepresentation
bin1011001110001001…
…0111100111100100
321202220212010100112
42303202113213210
522132101200200
61214520232152
7134433456623
oct26342274744
97686763315
103012131300
1113062a6912
1270090b658
13390071219
142080836ba
1512968d535
hexb38979e4

3012131300 has 72 divisors (see below), whose sum is σ = 6745234944. Its totient is φ = 1166883840.

The previous prime is 3012131293. The next prime is 3012131303. The reversal of 3012131300 is 31312103.

It is not an unprimeable number, because it can be changed into a prime (3012131303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452597 + ... + 459203.

Almost surely, 23012131300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3372617472).

3012131300 is an abundant number, since it is smaller than the sum of its proper divisors (3733103644).

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

3012131300 is a wasteful number, since it uses less digits than its factorization.

3012131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3012131300 is about 54882.8871325115. The cubic root of 3012131300 is about 1444.1909960092.

Adding to 3012131300 its reverse (31312103), we get a palindrome (3043443403).

The spelling of 3012131300 in words is "three billion, twelve million, one hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 97 100 188 194 235 388 470 485 940 970 1175 1940 2350 2425 4559 4700 4850 6607 9118 9700 13214 18236 22795 26428 33035 45590 66070 91180 113975 132140 165175 227950 310529 330350 455900 621058 640879 660700 1242116 1281758 1552645 2563516 3105290 3204395 6210580 6408790 7763225 12817580 15526450 16021975 30121313 31052900 32043950 60242626 64087900 120485252 150606565 301213130 602426260 753032825 1506065650 3012131300