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5455221664 = 251725513931
BaseRepresentation
bin1010001010010100…
…00001001110100000
3112002011221222021211
411011022001032200
542133014043124
62301152155504
7252120422224
oct50512011640
915064858254
105455221664
11234a36a862
121082b38b94
1368c266219
1439a71c784
1521ddc6e94
hex1452813a0

5455221664 has 48 divisors (see below), whose sum is σ = 11379082176. Its totient is φ = 2565504000.

The previous prime is 5455221631. The next prime is 5455221671. The reversal of 5455221664 is 4661225545.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385779 + ... + 1389709.

It is an arithmetic number, because the mean of its divisors is an integer number (237064212).

Almost surely, 25455221664 is an apocalyptic number.

It is an amenable number.

5455221664 is an abundant number, since it is smaller than the sum of its proper divisors (5923860512).

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

5455221664 is a wasteful number, since it uses less digits than its factorization.

5455221664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6509 (or 6501 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 5455221664 is about 73859.4724053726. The cubic root of 5455221664 is about 1760.3707104789.

The spelling of 5455221664 in words is "five billion, four hundred fifty-five million, two hundred twenty-one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 2551 3931 5102 7862 10204 15724 20408 31448 40816 43367 62896 66827 81632 86734 125792 133654 173468 267308 346936 534616 693872 1069232 1387744 2138464 10027981 20055962 40111924 80223848 160447696 170475677 320895392 340951354 681902708 1363805416 2727610832 5455221664