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1001231311300 = 22521143101209581
BaseRepresentation
bin11101001000111100000…
…10010110000111000100
310112201100112100112001021
432210132002112013010
5112401010203430200
62043543113440524
7132223305503623
oct16443602260704
93481315315037
101001231311300
1135668aa78340
12142066410144
1373553403acc
1436661ba76ba
151b09e8d941a
hexe91e0961c4

1001231311300 has 144 divisors (see below), whose sum is σ = 2449332857664. Its totient is φ = 352094400000.

The previous prime is 1001231311261. The next prime is 1001231311319. The reversal of 1001231311300 is 31131321001.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4672510 + ... + 4882090.

It is an arithmetic number, because the mean of its divisors is an integer number (17009255956).

Almost surely, 21001231311300 is an apocalyptic number.

1001231311300 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 1001231311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224666428832).

1001231311300 is an abundant number, since it is smaller than the sum of its proper divisors (1448101546364).

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

1001231311300 is a wasteful number, since it uses less digits than its factorization.

1001231311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209750 (or 209743 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1001231311300 its reverse (31131321001), we get a palindrome (1032362632301).

The spelling of 1001231311300 in words is "one trillion, one billion, two hundred thirty-one million, three hundred eleven thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 43 44 50 55 86 100 101 110 172 202 215 220 275 404 430 473 505 550 860 946 1010 1075 1100 1111 1892 2020 2150 2222 2365 2525 4300 4343 4444 4730 5050 5555 8686 9460 10100 11110 11825 17372 21715 22220 23650 27775 43430 47300 47773 55550 86860 95546 108575 111100 191092 209581 217150 238865 419162 434300 477730 838324 955460 1047905 1194325 2095810 2305391 2388650 4191620 4610782 4777300 5239525 9011983 9221564 10479050 11526955 18023966 20958100 21167681 23053910 36047932 42335362 45059915 46107820 57634775 84670724 90119830 99131813 105838405 115269550 180239660 198263626 211676810 225299575 230539100 232844491 396527252 423353620 450599150 465688982 495659065 529192025 901198300 910210283 931377964 991318130 1058384050 1164222455 1820420566 1982636260 2116768100 2328444910 2478295325 3640841132 4551051415 4656889820 4956590650 5821112275 9102102830 9913181300 10012313113 11642224550 18204205660 20024626226 22755257075 23284449100 40049252452 45510514150 50061565565 91021028300 100123131130 200246262260 250307827825 500615655650 1001231311300