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8429203680 = 253517560841
BaseRepresentation
bin1111101100110101…
…10111000011100000
3210202110000220122220
413312122313003200
5114230334004210
63512231031040
7415612022562
oct76632670340
923673026586
108429203680
11363607a537
121772b0b480
13a4443b0b1
1459d6b1332
1534502bc70
hex1f66b70e0

8429203680 has 48 divisors (see below), whose sum is σ = 26551993104. Its totient is φ = 2247787520.

The previous prime is 8429203633. The next prime is 8429203703. The reversal of 8429203680 is 863029248.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8779941 + ... + 8780900.

It is an arithmetic number, because the mean of its divisors is an integer number (553166523).

Almost surely, 28429203680 is an apocalyptic number.

8429203680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8429203680 is an abundant number, since it is smaller than the sum of its proper divisors (18122789424).

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

8429203680 is a wasteful number, since it uses less digits than its factorization.

8429203680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560859 (or 17560851 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 8429203680 is about 91810.6948018585. The cubic root of 8429203680 is about 2035.1457439380.

The spelling of 8429203680 in words is "eight billion, four hundred twenty-nine million, two hundred three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 17560841 35121682 52682523 70243364 87804205 105365046 140486728 175608410 210730092 263412615 280973456 351216820 421460184 526825230 561946912 702433640 842920368 1053650460 1404867280 1685840736 2107300920 2809734560 4214601840 8429203680