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10021013223120 = 2432513918073921
BaseRepresentation
bin1001000111010011001011…
…1011101111011011010000
31022110222222122022120220100
42101310302323233123100
52303141013341114440
633151331231212400
72052665022654414
oct221646273573320
938428878276810
1010021013223120
113213984798619
12115a181077100
13578c9271cc63
1426903bc04d44
15125a09b03230
hex91d32eef6d0

10021013223120 has 60 divisors (see below), whose sum is σ = 33653902743396. Its totient is φ = 2672270192640.

The previous prime is 10021013223097. The next prime is 10021013223157. The reversal of 10021013223120 is 2132231012001.

10021013223120 is a `hidden beast` number, since 10 + 0 + 21 + 0 + 1 + 322 + 312 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6885648898704 + 3135364324416 = 2624052^2 + 1770696^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10021013223093 and 10021013223102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6959036241 + ... + 6959037680.

Almost surely, 210021013223120 is an apocalyptic number.

10021013223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021013223120 is an abundant number, since it is smaller than the sum of its proper divisors (23632889520276).

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

10021013223120 is a wasteful number, since it uses less digits than its factorization.

10021013223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918073940 (or 13918073931 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10021013223120 its reverse (2132231012001), we get a palindrome (12153244235121).

The spelling of 10021013223120 in words is "ten trillion, twenty-one billion, thirteen million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 13918073921 27836147842 41754221763 55672295684 69590369605 83508443526 111344591368 125262665289 139180739210 167016887052 208771108815 222689182736 250525330578 278361478420 334033774104 417542217630 501050661156 556722956840 626313326445 668067548208 835084435260 1002101322312 1113445913680 1252626652890 1670168870520 2004202644624 2505253305780 3340337741040 5010506611560 10021013223120