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20301000242 = 210150500121
BaseRepresentation
bin10010111010000010…
…001010111000110010
31221101210220122221212
4102322002022320302
5313034024001432
613154240520122
71316035440425
oct227202127062
957353818855
1020301000242
118678426a56
123b26920042
131bb6b65aa3
14da82799bc
157dc3c62b2
hex4ba08ae32

20301000242 has 4 divisors (see below), whose sum is σ = 30451500366. Its totient is φ = 10150500120.

The previous prime is 20301000233. The next prime is 20301000253. The reversal of 20301000242 is 24200010302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18465820321 + 1835179921 = 135889^2 + 42839^2 .

It is a super-2 number, since 2×203010002422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075250059 + ... + 5075250062.

Almost surely, 220301000242 is an apocalyptic number.

20301000242 is a deficient number, since it is larger than the sum of its proper divisors (10150500124).

20301000242 is a wasteful number, since it uses less digits than its factorization.

20301000242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150500123.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20301000242 its reverse (24200010302), we get a palindrome (44501010544).

The spelling of 20301000242 in words is "twenty billion, three hundred one million, two hundred forty-two", and thus it is an aban number.

Divisors: 1 2 10150500121 20301000242