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4951208664 = 2332181379927
BaseRepresentation
bin1001001110001110…
…10111001011011000
3110210001120110102200
410213013113023120
540120002134124
62135145330200
7233460402453
oct44707271330
913701513380
104951208664
112110912396
12b62196960
1360ba0768c
1434d80049a
151dea19bc9
hex1271d72d8

4951208664 has 48 divisors (see below), whose sum is σ = 13483644720. Its totient is φ = 1641280320.

The previous prime is 4951208629. The next prime is 4951208699. The reversal of 4951208664 is 4668021594.

4951208664 is a `hidden beast` number, since 495 + 1 + 20 + 86 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (4951208629) and next prime (4951208699).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176932 + ... + 202995.

It is an arithmetic number, because the mean of its divisors is an integer number (280909265).

Almost surely, 24951208664 is an apocalyptic number.

It is an amenable number.

4951208664 is an abundant number, since it is smaller than the sum of its proper divisors (8532436056).

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

4951208664 is a wasteful number, since it uses less digits than its factorization.

4951208664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380120 (or 380113 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4951208664 is about 70364.8254740961. The cubic root of 4951208664 is about 1704.3956216233.

The spelling of 4951208664 in words is "four billion, nine hundred fifty-one million, two hundred eight thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 181 362 543 724 1086 1448 1629 2172 3258 4344 6516 13032 379927 759854 1139781 1519708 2279562 3039416 3419343 4559124 6838686 9118248 13677372 27354744 68766787 137533574 206300361 275067148 412600722 550134296 618901083 825201444 1237802166 1650402888 2475604332 4951208664