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20052147552 = 2532011103867
BaseRepresentation
bin10010101011001100…
…110111110101100000
31220202110122122020120
4102223030313311200
5312031322210202
613113431040240
71306624304403
oct225314676540
956673578216
1020052147552
11855aa07278
123a77510080
131b77435688
14d831bbd3a
157c561c0bc
hex4ab337d60

20052147552 has 48 divisors (see below), whose sum is σ = 52663568832. Its totient is φ = 6680661120.

The previous prime is 20052147517. The next prime is 20052147589. The reversal of 20052147552 is 25574125002.

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

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, 141123 + ... + 244989.

It is an arithmetic number, because the mean of its divisors is an integer number (1097157684).

Almost surely, 220052147552 is an apocalyptic number.

It is an amenable number.

20052147552 is an abundant number, since it is smaller than the sum of its proper divisors (32611421280).

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

20052147552 is a wasteful number, since it uses less digits than its factorization.

20052147552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105891 (or 105883 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The spelling of 20052147552 in words is "twenty billion, fifty-two million, one hundred forty-seven thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2011 4022 6033 8044 12066 16088 24132 32176 48264 64352 96528 103867 193056 207734 311601 415468 623202 830936 1246404 1661872 2492808 3323744 4985616 9971232 208876537 417753074 626629611 835506148 1253259222 1671012296 2506518444 3342024592 5013036888 6684049184 10026073776 20052147552