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2684529680 = 24572684829
BaseRepresentation
bin1010000000000010…
…1010110000010000
320221002102020102012
42200000222300100
520444214422210
61122214442052
7123345061100
oct24000526020
96832366365
102684529680
11115838a978
1262b063328
1333a22b001
141b6767200
1510aa2b305
hexa002ac10

2684529680 has 60 divisors (see below), whose sum is σ = 7260567660. Its totient is φ = 920408832.

The previous prime is 2684529647. The next prime is 2684529697. The reversal of 2684529680 is 869254862.

It can be written as a sum of positive squares in 2 ways, for example, as 2067702784 + 616826896 = 45472^2 + 24836^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338495 + ... + 346334.

It is an arithmetic number, because the mean of its divisors is an integer number (121009461).

Almost surely, 22684529680 is an apocalyptic number.

2684529680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684529680 is an abundant number, since it is smaller than the sum of its proper divisors (4576037980).

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

2684529680 is a wasteful number, since it uses less digits than its factorization.

2684529680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684856 (or 684843 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 2684529680 is about 51812.4471531697. The cubic root of 2684529680 is about 1389.8120409030.

The spelling of 2684529680 in words is "two billion, six hundred eighty-four million, five hundred twenty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 3920 684829 1369658 2739316 3424145 4793803 5478632 6848290 9587606 10957264 13696580 19175212 23969015 27393160 33556621 38350424 47938030 54786320 67113242 76700848 95876060 134226484 167783105 191752120 268452968 335566210 383504240 536905936 671132420 1342264840 2684529680