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20350150490 = 2570912972213
BaseRepresentation
bin10010111100111101…
…101010011101011010
31221112020101202102102
4102330331222131122
5313134114303430
613203154203402
71320203265545
oct227475523532
957466352372
1020350150490
1186a314729a
123b3b283562
131bc40b4487
14db09d185c
157e1884345
hex4bcf6a75a

20350150490 has 32 divisors (see below), whose sum is σ = 36726806160. Its totient is φ = 8118641664.

The previous prime is 20350150489. The next prime is 20350150493. The reversal of 20350150490 is 9405105302.

It can be written as a sum of positive squares in 8 ways, for example, as 17997027409 + 2353123081 = 134153^2 + 48509^2 .

It is not an unprimeable number, because it can be changed into a prime (20350150493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9194624 + ... + 9196836.

Almost surely, 220350150490 is an apocalyptic number.

20350150490 is a deficient number, since it is larger than the sum of its proper divisors (16376655670).

20350150490 is a wasteful number, since it uses less digits than its factorization.

20350150490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 20350150490 its reverse (9405105302), we get a palindrome (29755255792).

The spelling of 20350150490 in words is "twenty billion, three hundred fifty million, one hundred fifty thousand, four hundred ninety".

Divisors: 1 2 5 10 709 1297 1418 2213 2594 3545 4426 6485 7090 11065 12970 22130 919573 1569017 1839146 2870261 3138034 4597865 5740522 7845085 9195730 14351305 15690170 28702610 2035015049 4070030098 10175075245 20350150490