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101131300 = 2252171931101
BaseRepresentation
bin1100000011100…
…10010000100100
321001022000001201
412001302100210
5201342200200
614011332244
72335413304
oct601622044
9231260051
10101131300
11520a4496
1229a51084
1317c4b70a
14d607604
158d29c6a
hex6072424

101131300 has 144 divisors (see below), whose sum is σ = 254983680. Its totient is φ = 34560000.

The previous prime is 101131279. The next prime is 101131301. The reversal of 101131300 is 3131101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101131301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1001250 + ... + 1001350.

It is an arithmetic number, because the mean of its divisors is an integer number (1770720).

Almost surely, 2101131300 is an apocalyptic number.

101131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127491840).

101131300 is an abundant number, since it is smaller than the sum of its proper divisors (153852380).

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

101131300 is a wasteful number, since it uses less digits than its factorization.

101131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 101131300 is about 10056.4059186172. The cubic root of 101131300 is about 465.9026671405.

Adding to 101131300 its reverse (3131101), we get a palindrome (104262401).

The spelling of 101131300 in words is "one hundred one million, one hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 17 19 20 25 31 34 38 50 62 68 76 85 95 100 101 124 155 170 190 202 310 323 340 380 404 425 475 505 527 589 620 646 775 850 950 1010 1054 1178 1292 1550 1615 1700 1717 1900 1919 2020 2108 2356 2525 2635 2945 3100 3131 3230 3434 3838 5050 5270 5890 6262 6460 6868 7676 8075 8585 9595 10013 10100 10540 11780 12524 13175 14725 15655 16150 17170 19190 20026 26350 29450 31310 32300 32623 34340 38380 40052 42925 47975 50065 52700 53227 58900 59489 62620 65246 78275 85850 95950 100130 106454 118978 130492 156550 163115 171700 191900 200260 212908 237956 250325 266135 297445 313100 326230 500650 532270 594890 652460 815575 1001300 1011313 1064540 1189780 1330675 1487225 1631150 2022626 2661350 2974450 3262300 4045252 5056565 5322700 5948900 10113130 20226260 25282825 50565650 101131300