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10231111012020 = 22351091564390063
BaseRepresentation
bin1001010011100001110110…
…1111001100111010110100
31100020002021201101002200020
42110320131233030322310
52320111303404341040
633432035120045140
72104113316466253
oct224703557147264
940202251332606
1010231111012020
113294a98494aa8
121192a364637b0
13592a35a77842
1427528d02279a
1512b2047eecd0
hex94e1dbcceb4

10231111012020 has 48 divisors (see below), whose sum is σ = 28909928382720. Its totient is φ = 2703266027136.

The previous prime is 10231111012009. The next prime is 10231111012033. The reversal of 10231111012020 is 2021011113201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782188492 + ... + 782201571.

It is an arithmetic number, because the mean of its divisors is an integer number (602290174640).

Almost surely, 210231111012020 is an apocalyptic number.

10231111012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231111012020 is an abundant number, since it is smaller than the sum of its proper divisors (18678817370700).

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

10231111012020 is a wasteful number, since it uses less digits than its factorization.

10231111012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564390184 (or 1564390182 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10231111012020 its reverse (2021011113201), we get a palindrome (12252122125221).

The spelling of 10231111012020 in words is "ten trillion, two hundred thirty-one billion, one hundred eleven million, twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 1564390063 3128780126 4693170189 6257560252 7821950315 9386340378 15643900630 18772680756 23465850945 31287801260 46931701890 93863403780 170518516867 341037033734 511555550601 682074067468 852592584335 1023111101202 1705185168670 2046222202404 2557777753005 3410370337340 5115555506010 10231111012020