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20014454646650 = 25213921111364177
BaseRepresentation
bin1001000110011111110100…
…11101011010011101111010
32121212100210202102122012002
410203033322131122131322
510110404100342143100
6110322302531221002
74133665562341562
oct443177235323572
977770722378162
1020014454646650
11641709a966002
1222b2b28447762
13b2247cb585a9
144d29c1c81da2
1524a94dd742d5
hex1233fa75a77a

20014454646650 has 48 divisors (see below), whose sum is σ = 37512494046720. Its totient is φ = 7944415353600.

The previous prime is 20014454646643. The next prime is 20014454646689. The reversal of 20014454646650 is 5664645441002.

It is a junction number, because it is equal to n+sod(n) for n = 20014454646595 and 20014454646604.

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, 13989362 + ... + 15353538.

It is an arithmetic number, because the mean of its divisors is an integer number (781510292640).

Almost surely, 220014454646650 is an apocalyptic number.

20014454646650 is a deficient number, since it is larger than the sum of its proper divisors (17498039400070).

20014454646650 is a wasteful number, since it uses less digits than its factorization.

20014454646650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366439 (or 1366434 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 20014454646650 in words is "twenty trillion, fourteen billion, four hundred fifty-four million, six hundred forty-six thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 139 278 695 1390 2111 3475 4222 6950 10555 21110 52775 105550 293429 586858 1364177 1467145 2728354 2934290 6820885 7335725 13641770 14671450 34104425 68208850 189620603 379241206 948103015 1896206030 2879777647 4740515075 5759555294 9481030150 14398888235 28797776470 71994441175 143988882350 400289092933 800578185866 2001445464665 4002890929330 10007227323325 20014454646650