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8913538700 = 22521110775731
BaseRepresentation
bin10000100110100100…
…11100111010001100
3212000012101200101222
420103102130322030
5121223331214300
64032252022512
7433612554203
oct102322347214
925005350358
108913538700
113864507610
121889161a38
13ac0899c71
14607b4a23a
153727ed785
hex21349ce8c

8913538700 has 72 divisors (see below), whose sum is σ = 21298261824. Its totient is φ = 3210952000.

The previous prime is 8913538691. The next prime is 8913538741. The reversal of 8913538700 is 78353198.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79835 + ... + 155565.

It is an arithmetic number, because the mean of its divisors is an integer number (295809192).

Almost surely, 28913538700 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 8913538700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10649130912).

8913538700 is an abundant number, since it is smaller than the sum of its proper divisors (12384723124).

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

8913538700 is a wasteful number, since it uses less digits than its factorization.

8913538700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75863 (or 75856 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 8913538700 is about 94411.5390193381. The cubic root of 8913538700 is about 2073.4013873874.

The spelling of 8913538700 in words is "eight billion, nine hundred thirteen million, five hundred thirty-eight thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 107 110 214 220 275 428 535 550 1070 1100 1177 2140 2354 2675 4708 5350 5885 10700 11770 23540 29425 58850 75731 117700 151462 302924 378655 757310 833041 1514620 1666082 1893275 3332164 3786550 4165205 7573100 8103217 8330410 16206434 16660820 20826025 32412868 40516085 41652050 81032170 83304100 89135387 162064340 178270774 202580425 356541548 405160850 445676935 810321700 891353870 1782707740 2228384675 4456769350 8913538700