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20522503152 = 2432142517383
BaseRepresentation
bin10011000111001111…
…001000101111110000
31221222020201011211100
4103013033020233300
5314012230100102
613232232244400
71324365253464
oct230717105760
957866634740
1020522503152
118781466408
123b88b40700
131c20a0b5b8
14dc98584a4
15801a7ba1c
hex4c73c8bf0

20522503152 has 30 divisors (see below), whose sum is σ = 57434505752. Its totient is φ = 6840834336.

The previous prime is 20522503123. The next prime is 20522503153. The reversal of 20522503152 is 25130522502.

20522503152 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 2 + 503 + 152 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522503153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71258548 + ... + 71258835.

Almost surely, 220522503152 is an apocalyptic number.

It is an amenable number.

20522503152 is an abundant number, since it is smaller than the sum of its proper divisors (36912002600).

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

20522503152 is a wasteful number, since it uses less digits than its factorization.

20522503152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142517397 (or 142517388 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 20522503152 in words is "twenty billion, five hundred twenty-two million, five hundred three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 142517383 285034766 427552149 570069532 855104298 1140139064 1282656447 1710208596 2280278128 2565312894 3420417192 5130625788 6840834384 10261251576 20522503152