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8676667680 = 253519951389
BaseRepresentation
bin10000001010010101…
…10111000100100000
3211101200200101110020
420011022313010200
5120232211331210
63552551033440
7425005313142
oct100512670440
924350611406
108676667680
11375283093a
12182196b880
13a837a33b5
145c44cac92
1535bb0e770
hex2052b7120

8676667680 has 96 divisors (see below), whose sum is σ = 28770033600. Its totient is φ = 2191997952.

The previous prime is 8676667639. The next prime is 8676667687. The reversal of 8676667680 is 867666768.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (8676667687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466575 + ... + 484814.

It is an arithmetic number, because the mean of its divisors is an integer number (299687850).

Almost surely, 28676667680 is an apocalyptic number.

8676667680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8676667680 is an abundant number, since it is smaller than the sum of its proper divisors (20093365920).

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

8676667680 is a wasteful number, since it uses less digits than its factorization.

8676667680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951426 (or 951418 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The square root of 8676667680 is about 93148.6321960768. The cubic root of 8676667680 is about 2054.8698563694.

The spelling of 8676667680 in words is "eight billion, six hundred seventy-six million, six hundred sixty-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 76 80 95 96 114 120 152 160 190 228 240 285 304 380 456 480 570 608 760 912 1140 1520 1824 2280 3040 4560 9120 951389 1902778 2854167 3805556 4756945 5708334 7611112 9513890 11416668 14270835 15222224 18076391 19027780 22833336 28541670 30444448 36152782 38055560 45666672 54229173 57083340 72305564 76111120 90381955 91333344 108458346 114166680 144611128 152222240 180763910 216916692 228333360 271145865 289222256 361527820 433833384 456666720 542291730 578444512 723055640 867666768 1084583460 1446111280 1735333536 2169166920 2892222560 4338333840 8676667680