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1090463212808 = 232944392
BaseRepresentation
bin11111101111001001010…
…11000010010100001000
310212020200020220210010022
433313210223002110020
5120331232040302213
62152541335040012
7141532460242154
oct17674453022410
93766606823108
101090463212808
11390510067692
12157409b10008
137baa4062828
143aac8a82064
151d5735e1308
hexfde4ac2508

1090463212808 has 60 divisors (see below), whose sum is σ = 2122475281515. Its totient is φ = 525231358176.

The previous prime is 1090463212799. The next prime is 1090463212819. The reversal of 1090463212808 is 8082123640901.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 598330096324 + 492133116484 = 773518^2 + 701522^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=738398.

It is a super-2 number, since 2×10904632128082 (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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 14 ways as a sum of consecutive naturals, for example, 2483970653 + ... + 2483971091.

Almost surely, 21090463212808 is an apocalyptic number.

It is an amenable number.

1090463212808 is a deficient number, since it is larger than the sum of its proper divisors (1032012068707).

1090463212808 is an frugal number, since it uses more digits than its factorization.

1090463212808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1090463212808 in words is "one trillion, ninety billion, four hundred sixty-three million, two hundred twelve thousand, eight hundred eight".

Divisors: 1 2 4 8 29 58 116 232 439 841 878 1682 1756 3364 3512 6728 12731 24389 25462 48778 50924 97556 101848 192721 195112 369199 385442 707281 738398 770884 1414562 1476796 1541768 2829124 2953592 5588909 5658248 10706771 11177818 21413542 22355636 42827084 44711272 85654168 162078361 310496359 324156722 620992718 648313444 1241985436 1296626888 2483970872 4700272469 9400544938 18801089876 37602179752 136307901601 272615803202 545231606404 1090463212808