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20352150506445 = 3547913399211403
BaseRepresentation
bin1001010000010100110101…
…01100111000101111001101
32200001122110100202202021120
410220022122230320233031
510131422201012201240
6111141352053351153
74200252155651142
oct450123254705715
980048410682246
1020352150506445
11653733142173a
1223484720384b9
13b48279574c84
145050995663c9
15254615acbad0
hex12829ab38bcd

20352150506445 has 32 divisors (see below), whose sum is σ = 32634012672000. Its totient is φ = 10830959920704.

The previous prime is 20352150506417. The next prime is 20352150506447. The reversal of 20352150506445 is 54460505125302.

It is not a de Polignac number, because 20352150506445 - 211 = 20352150504397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20352150506397 and 20352150506406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352150506447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96166114 + ... + 96377516.

It is an arithmetic number, because the mean of its divisors is an integer number (1019812896000).

Almost surely, 220352150506445 is an apocalyptic number.

It is an amenable number.

20352150506445 is a deficient number, since it is larger than the sum of its proper divisors (12281862165555).

20352150506445 is a wasteful number, since it uses less digits than its factorization.

20352150506445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225289.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 20352150506445 in words is "twenty trillion, three hundred fifty-two billion, one hundred fifty million, five hundred six thousand, four hundred forty-five".

Divisors: 1 3 5 15 479 1437 2395 7185 13399 40197 66995 200985 211403 634209 1057015 3171045 6418121 19254363 32090605 96271815 101262037 303786111 506310185 1518930555 2832588797 8497766391 14162943985 42488831955 1356810033763 4070430101289 6784050168815 20352150506445