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1202020052 = 22300505013
BaseRepresentation
bin100011110100101…
…0101111011010100
310002202210221112012
41013221111323110
54430204120202
6315135243352
741534000432
oct10751257324
93082727465
101202020052
11567566502
12296679558
13162050a8c
14b58d7d52
15707d9152
hex47a55ed4

1202020052 has 6 divisors (see below), whose sum is σ = 2103535098. Its totient is φ = 601010024.

The previous prime is 1202020051. The next prime is 1202020069. The reversal of 1202020052 is 2500202021.

It can be written as a sum of positive squares in only one way, i.e., 775845316 + 426174736 = 27854^2 + 20644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202020051) 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, 150252503 + ... + 150252510.

It is an arithmetic number, because the mean of its divisors is an integer number (350589183).

Almost surely, 21202020052 is an apocalyptic number.

It is an amenable number.

1202020052 is a deficient number, since it is larger than the sum of its proper divisors (901515046).

1202020052 is a wasteful number, since it uses less digits than its factorization.

1202020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300505017 (or 300505015 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1202020052 is about 34670.1608303163. The cubic root of 1202020052 is about 1063.2545197845.

Adding to 1202020052 its reverse (2500202021), we get a palindrome (3702222073).

The spelling of 1202020052 in words is "one billion, two hundred two million, twenty thousand, fifty-two".

Divisors: 1 2 4 300505013 601010026 1202020052