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10331013031220 = 225782219897517
BaseRepresentation
bin1001011001010110000001…
…0111001010010100110100
31100120122011001122111112102
42112111200113022110310
52323230403313444340
633550000223041232
72114251063602410
oct226254027122464
940518131574472
1010331013031220
1133233a3588732
1211aa277440218
1359c29719c87b
1427a049059d40
1512db00133215
hex965605ca534

10331013031220 has 48 divisors (see below), whose sum is σ = 24794760466560. Its totient is φ = 3542014583424.

The previous prime is 10331013031219. The next prime is 10331013031247. The reversal of 10331013031220 is 2213031013301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10331013031192 and 10331013031201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11061902 + ... + 11959418.

It is an arithmetic number, because the mean of its divisors is an integer number (516557509720).

Almost surely, 210331013031220 is an apocalyptic number.

10331013031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331013031220 is an abundant number, since it is smaller than the sum of its proper divisors (14463747435340).

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

10331013031220 is a wasteful number, since it uses less digits than its factorization.

10331013031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979752 (or 979750 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10331013031220 its reverse (2213031013301), we get a palindrome (12544044044521).

The spelling of 10331013031220 in words is "ten trillion, three hundred thirty-one billion, thirteen million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 82219 164438 328876 411095 575533 822190 897517 1151066 1644380 1795034 2302132 2877665 3590068 4487585 5755330 6282619 8975170 11510660 12565238 17950340 25130476 31413095 62826190 125652380 73792950223 147585900446 295171800892 368964751115 516550651561 737929502230 1033101303122 1475859004460 2066202606244 2582753257805 5165506515610 10331013031220