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10131213000 = 2335319117681
BaseRepresentation
bin10010110111101111…
…00000101011001000
3222011001122221112010
421123313200223020
5131222042304000
64353151015520
7506026614066
oct113367405310
928131587463
1010131213000
114329895307
121b68b0a5a0
13c55c3c0bc
146c175b036
153e467ad50
hex25bde0ac8

10131213000 has 128 divisors (see below), whose sum is σ = 31776675840. Its totient is φ = 2687360000.

The previous prime is 10131212989. The next prime is 10131213023. The reversal of 10131213000 is 31213101.

10131213000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 31 ways as a sum of consecutive naturals, for example, 564160 + ... + 581840.

It is an arithmetic number, because the mean of its divisors is an integer number (248255280).

Almost surely, 210131213000 is an apocalyptic number.

10131213000 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 10131213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15888337920).

10131213000 is an abundant number, since it is smaller than the sum of its proper divisors (21645462840).

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

10131213000 is a wasteful number, since it uses less digits than its factorization.

10131213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17896 (or 17882 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10131213000 its reverse (31213101), we get a palindrome (10162426101).

The spelling of 10131213000 in words is "ten billion, one hundred thirty-one million, two hundred thirteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 191 200 250 300 375 382 500 573 600 750 764 955 1000 1146 1500 1528 1910 2292 2865 3000 3820 4584 4775 5730 7640 9550 11460 14325 17681 19100 22920 23875 28650 35362 38200 47750 53043 57300 70724 71625 88405 95500 106086 114600 141448 143250 176810 191000 212172 265215 286500 353620 424344 442025 530430 573000 707240 884050 1060860 1326075 1768100 2121720 2210125 2652150 3377071 3536200 4420250 5304300 6630375 6754142 8840500 10131213 10608600 13260750 13508284 16885355 17681000 20262426 26521500 27016568 33770710 40524852 50656065 53043000 67541420 81049704 84426775 101312130 135082840 168853550 202624260 253280325 337707100 405248520 422133875 506560650 675414200 844267750 1013121300 1266401625 1688535500 2026242600 2532803250 3377071000 5065606500 10131213000