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21060790576 = 247188042773
BaseRepresentation
bin10011100111010100…
…100010100100110000
32000100202121000100121
4103213110202210300
5321113030244301
613401501500024
71343622523540
oct234724424460
960322530317
1021060790576
118a282a3751
1240b9271614
131ca83aa877
14103b139320
15833e593a1
hex4e7522930

21060790576 has 20 divisors (see below), whose sum is σ = 46634607952. Its totient is φ = 9026053056.

The previous prime is 21060790567. The next prime is 21060790601. The reversal of 21060790576 is 67509706012.

It is a super-2 number, since 2×210607905762 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94021275 + ... + 94021498.

Almost surely, 221060790576 is an apocalyptic number.

It is an amenable number.

21060790576 is an abundant number, since it is smaller than the sum of its proper divisors (25573817376).

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

21060790576 is a wasteful number, since it uses less digits than its factorization.

21060790576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188042788 (or 188042782 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 21060790576 in words is "twenty-one billion, sixty million, seven hundred ninety thousand, five hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 188042773 376085546 752171092 1316299411 1504342184 2632598822 3008684368 5265197644 10530395288 21060790576