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20523020350 = 2527223713533
BaseRepresentation
bin10011000111010001…
…000111000000111110
31221222021200110021211
4103013101013000332
5314012343122400
613232251315034
71324402536400
oct230721070076
957867613254
1020523020350
118781789a48
123b8914ba7a
131c20b5cb31
14dc9950b70
15801b2edba
hex4c744703e

20523020350 has 72 divisors (see below), whose sum is σ = 44436417048. Its totient is φ = 7031505600.

The previous prime is 20523020327. The next prime is 20523020363. The reversal of 20523020350 is 5302032502.

20523020350 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5807184 + ... + 5810716.

It is an arithmetic number, because the mean of its divisors is an integer number (617172459).

Almost surely, 220523020350 is an apocalyptic number.

20523020350 is an abundant number, since it is smaller than the sum of its proper divisors (23913396698).

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

20523020350 is a wasteful number, since it uses less digits than its factorization.

20523020350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930 (or 5918 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 20523020350 its reverse (5302032502), we get a palindrome (25825052852).

The spelling of 20523020350 in words is "twenty billion, five hundred twenty-three million, twenty thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2371 2450 3533 4742 7066 11855 16597 17665 23710 24731 33194 35330 49462 59275 82985 88325 116179 118550 123655 165970 173117 176650 232358 247310 346234 414925 580895 618275 829850 865585 1161790 1236550 1731170 2904475 4327925 5808950 8376743 8655850 16753486 41883715 58637201 83767430 117274402 209418575 293186005 410460407 418837150 586372010 820920814 1465930025 2052302035 2931860050 4104604070 10261510175 20523020350