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8906997521952 = 2532231344655423
BaseRepresentation
bin1000000110011101001001…
…1011000101111000100000
31011112111111222020102122100
42001213102123011320200
52131413012331200302
630535452420410400
71606336462515345
oct201472233057040
934474458212570
108906997521952
112924488994922
12bba29b546a00
134c7c06cc92aa
1422b15b1387cc
15106a5896bd1c
hex819d26c5e20

8906997521952 has 72 divisors (see below), whose sum is σ = 26430547014144. Its totient is φ = 2839912251264.

The previous prime is 8906997521927. The next prime is 8906997521963. The reversal of 8906997521952 is 2591257996098.

8906997521952 is a `hidden beast` number, since 8 + 9 + 0 + 6 + 9 + 9 + 7 + 521 + 95 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 672321088 + ... + 672334335.

It is an arithmetic number, because the mean of its divisors is an integer number (367090930752).

Almost surely, 28906997521952 is an apocalyptic number.

It is an amenable number.

8906997521952 is an abundant number, since it is smaller than the sum of its proper divisors (17523549492192).

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

8906997521952 is a wasteful number, since it uses less digits than its factorization.

8906997521952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344655462 (or 1344655451 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 72.

The spelling of 8906997521952 in words is "eight trillion, nine hundred six billion, nine hundred ninety-seven million, five hundred twenty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 6624 1344655423 2689310846 4033966269 5378621692 8067932538 10757243384 12101898807 16135865076 21514486768 24203797614 30927074729 32271730152 43028973536 48407595228 61854149458 64543460304 92781224187 96815190456 123708298916 129086920608 185562448374 193630380912 247416597832 278343672561 371124896748 387260761824 494833195664 556687345122 742249793496 989666391328 1113374690244 1484499586992 2226749380488 2968999173984 4453498760976 8906997521952