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1021312350100 = 225279715041419
BaseRepresentation
bin11101101110010101111…
…01011011011110010100
310121122012000100222122001
432313022331123132110
5113213121430200400
62101103500045044
7133534033511350
oct16671275333624
93548160328561
101021312350100
11364155217a79
12145b2b533784
13754038138a3
1437608b46460
151b877811a6a
hexedcaf5b794

1021312350100 has 72 divisors (see below), whose sum is σ = 2558966701760. Its totient is φ = 346554270720.

The previous prime is 1021312350061. The next prime is 1021312350109. The reversal of 1021312350100 is 10532131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021312350109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7452810 + ... + 7588609.

Almost surely, 21021312350100 is an apocalyptic number.

1021312350100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021312350100 is an abundant number, since it is smaller than the sum of its proper divisors (1537654351660).

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

1021312350100 is a wasteful number, since it uses less digits than its factorization.

1021312350100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041537 (or 15041530 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 1021312350100 its reverse (10532131201), we get a palindrome (1031844481301).

The spelling of 1021312350100 in words is "one trillion, twenty-one billion, three hundred twelve million, three hundred fifty thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 97 100 140 175 194 350 388 485 679 700 970 1358 1940 2425 2716 3395 4850 6790 9700 13580 16975 33950 67900 15041419 30082838 60165676 75207095 105289933 150414190 210579866 300828380 376035475 421159732 526449665 752070950 1052899330 1459017643 1504141900 2105798660 2632248325 2918035286 5264496650 5836070572 7295088215 10213123501 10528993300 14590176430 20426247002 29180352860 36475441075 40852494004 51065617505 72950882150 102131235010 145901764300 204262470020 255328087525 510656175050 1021312350100