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10331231011020 = 22325193020827781
BaseRepresentation
bin1001011001010110110101…
…0110101100000011001100
31100120122201020211000121100
42112111231112230003030
52323231330114323040
633550034011103100
72114256351443133
oct226255526540314
940518636730540
1010331231011020
1133234a5631127
1211aa318441a90
1359c3003b08ba
1427a069d9c91a
1512db1433eb30
hex9656d5ac0cc

10331231011020 has 72 divisors (see below), whose sum is σ = 32987439379440. Its totient is φ = 2609995201920.

The previous prime is 10331231011019. The next prime is 10331231011043. The reversal of 10331231011020 is 2011013213301.

10331231011020 is a `hidden beast` number, since 1 + 0 + 331 + 2 + 310 + 1 + 1 + 0 + 20 = 666.

It is a super-2 number, since 2×103312310110202 (a number of 27 digits) contains 22 as substring.

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 = 10331231010984 and 10331231011002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510410471 + ... + 1510417310.

It is an arithmetic number, because the mean of its divisors is an integer number (458158880270).

Almost surely, 210331231011020 is an apocalyptic number.

10331231011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331231011020 is an abundant number, since it is smaller than the sum of its proper divisors (22656208368420).

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

10331231011020 is a wasteful number, since it uses less digits than its factorization.

10331231011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020827815 (or 3020827810 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10331231011020 its reverse (2011013213301), we get a palindrome (12342244224321).

The spelling of 10331231011020 in words is "ten trillion, three hundred thirty-one billion, two hundred thirty-one million, eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 3020827781 6041655562 9062483343 12083311124 15104138905 18124966686 27187450029 30208277810 36249933372 45312416715 54374900058 57395727839 60416555620 90624833430 108749800116 114791455678 135937250145 172187183517 181249666860 229582911356 271874500290 286978639195 344374367034 516561550551 543749000580 573957278390 688748734068 860935917585 1033123101102 1147914556780 1721871835170 2066246202204 2582807752755 3443743670340 5165615505510 10331231011020