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20210622352 = 241263163897
BaseRepresentation
bin10010110100101001…
…011001111110010000
31221011111211222210121
4102310221121332100
5312342404403402
613141251440024
71313560312144
oct226451317620
957144758717
1020210622352
118631407788
123b005b6014
131ba1210b4b
14d9a271224
157d44c2837
hex4b4a59f90

20210622352 has 10 divisors (see below), whose sum is σ = 39158080838. Its totient is φ = 10105311168.

The previous prime is 20210622343. The next prime is 20210622359. The reversal of 20210622352 is 25322601202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18253090816 + 1957531536 = 135104^2 + 44244^2 .

It is not an unprimeable number, because it can be changed into a prime (20210622359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631581933 + ... + 631581964.

Almost surely, 220210622352 is an apocalyptic number.

It is an amenable number.

20210622352 is a deficient number, since it is larger than the sum of its proper divisors (18947458486).

20210622352 is a wasteful number, since it uses less digits than its factorization.

20210622352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263163905 (or 1263163899 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 20210622352 in words is "twenty billion, two hundred ten million, six hundred twenty-two thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 1263163897 2526327794 5052655588 10105311176 20210622352