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6468468457 = 1122343191283
BaseRepresentation
bin1100000011000110…
…01111111011101001
3121200210120020120211
412001203033323221
5101221411442312
62545505421121
7316203034423
oct60143177351
917623506524
106468468457
11281a311100
12130633a7a1
137c1160a39
14455117813
1527cd233a7
hex1818cfee9

6468468457 has 48 divisors (see below), whose sum is σ = 7658348544. Its totient is φ = 5445871200.

The previous prime is 6468468451. The next prime is 6468468467. The reversal of 6468468457 is 7548648646.

6468468457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-6468468457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6468468451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22856638 + ... + 22856920.

It is an arithmetic number, because the mean of its divisors is an integer number (159548928).

Almost surely, 26468468457 is an apocalyptic number.

It is an amenable number.

6468468457 is a deficient number, since it is larger than the sum of its proper divisors (1189880087).

6468468457 is a wasteful number, since it uses less digits than its factorization.

6468468457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 551 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 58.

The square root of 6468468457 is about 80426.7894236740. The cubic root of 6468468457 is about 1863.2329461383.

The spelling of 6468468457 in words is "six billion, four hundred sixty-eight million, four hundred sixty-eight thousand, four hundred fifty-seven".

Divisors: 1 11 23 43 121 191 253 283 473 989 2101 2783 3113 4393 5203 6509 8213 10879 12169 23111 34243 48323 54053 71599 90343 119669 133859 188899 279887 531553 594583 787589 993773 1243219 1472449 2077889 2324279 3078757 6540413 13675409 22856779 25567069 33866327 53458417 150429499 281237759 588042587 6468468457