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6448807468 = 2216335927551
BaseRepresentation
bin1100000000110000…
…01111111000101100
3121122102120100210001
412000120033320230
5101201343314333
62543524154044
7315543646645
oct60030177054
917572510701
106448807468
11280a202554
1212bb838924
137ba068a0c
1445267a6cc
1527b23cb7d
hex18060fe2c

6448807468 has 24 divisors (see below), whose sum is σ = 11386690560. Its totient is φ = 3195579600.

The previous prime is 6448807451. The next prime is 6448807487. The reversal of 6448807468 is 8647088446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220293 + ... + 247843.

It is an arithmetic number, because the mean of its divisors is an integer number (474445440).

Almost surely, 26448807468 is an apocalyptic number.

It is an amenable number.

6448807468 is a deficient number, since it is larger than the sum of its proper divisors (4937883092).

6448807468 is a wasteful number, since it uses less digits than its factorization.

6448807468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28077 (or 28075 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 55.

The square root of 6448807468 is about 80304.4672979032. The cubic root of 6448807468 is about 1861.3432571550.

The spelling of 6448807468 in words is "six billion, four hundred forty-eight million, eight hundred seven thousand, four hundred sixty-eight".

Divisors: 1 2 4 163 326 359 652 718 1436 27551 55102 58517 110204 117034 234068 4490813 8981626 9890809 17963252 19781618 39563236 1612201867 3224403734 6448807468