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1241403240020 = 2251931877171341
BaseRepresentation
bin10010000100001001011…
…001100010111001010100
311101200021112012121220112
4102010021121202321110
5130314343212140040
62350143123422152
7155455062302426
oct22041131427124
94350245177815
101241403240020
11439526847129
12180713524958
13900aa2b16b8
144412720c816
15224599a7365
hex12109662e54

1241403240020 has 48 divisors (see below), whose sum is σ = 2621865688848. Its totient is φ = 493722378240.

The previous prime is 1241403239959. The next prime is 1241403240031. The reversal of 1241403240020 is 200423041421.

It can be written as a sum of positive squares in 8 ways, for example, as 117832919824 + 1123570320196 = 343268^2 + 1059986^2 .

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, 7159550 + ... + 7330890.

It is an arithmetic number, because the mean of its divisors is an integer number (54622201851).

Almost surely, 21241403240020 is an apocalyptic number.

1241403240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241403240020 is an abundant number, since it is smaller than the sum of its proper divisors (1380462448828).

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

1241403240020 is a wasteful number, since it uses less digits than its factorization.

1241403240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173420 (or 173418 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1241403240020 its reverse (200423041421), we get a palindrome (1441826281441).

The spelling of 1241403240020 in words is "one trillion, two hundred forty-one billion, four hundred three million, two hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1877 1930 3754 3860 7508 9385 18770 37540 171341 342682 362261 685364 724522 856705 1449044 1713410 1811305 3426820 3622610 7245220 33068813 66137626 132275252 165344065 321607057 330688130 643214114 661376260 1286428228 1608035285 3216070570 6432141140 62070162001 124140324002 248280648004 310350810005 620701620010 1241403240020