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6885899488 = 251341487829
BaseRepresentation
bin1100110100110111…
…00111110011100000
3122202220000221022101
412122123213303200
5103100242240423
63055140420144
7332432115466
oct63233476340
918686027271
106885899488
112a13a02226
1214020a7654
13859796350
14494738836
152a47cb7ad
hex19a6e7ce0

6885899488 has 96 divisors (see below), whose sum is σ = 15004301760. Its totient is φ = 3090493440.

The previous prime is 6885899437. The next prime is 6885899491. The reversal of 6885899488 is 8849985886.

It is a super-2 number, since 2×68858994882 = 94831223517677324288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6885899488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305858 + ... + 8306686.

It is an arithmetic number, because the mean of its divisors is an integer number (156294810).

Almost surely, 26885899488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6885899488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7502150880).

6885899488 is an abundant number, since it is smaller than the sum of its proper divisors (8118402272).

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

6885899488 is a wasteful number, since it uses less digits than its factorization.

6885899488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1372 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 73.

The square root of 6885899488 is about 82981.3201148307. The cubic root of 6885899488 is about 1902.4805539975.

The spelling of 6885899488 in words is "six billion, eight hundred eighty-five million, eight hundred ninety-nine thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 32 41 52 82 104 164 208 328 416 487 533 656 829 974 1066 1312 1658 1948 2132 3316 3896 4264 6331 6632 7792 8528 10777 12662 13264 15584 17056 19967 21554 25324 26528 33989 39934 43108 50648 67978 79868 86216 101296 135956 159736 172432 202592 259571 271912 319472 344864 403723 441857 519142 543824 638944 807446 883714 1038284 1087648 1614892 1767428 2076568 3229784 3534856 4153136 5248399 6459568 7069712 8306272 10496798 12919136 14139424 16552643 20993596 33105286 41987192 66210572 83974384 132421144 167948768 215184359 264842288 430368718 529684576 860737436 1721474872 3442949744 6885899488