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1202020010 = 25120202001
BaseRepresentation
bin100011110100101…
…0101111010101010
310002202210221110122
41013221111322222
54430204120020
6315135243242
741534000342
oct10751257252
93082727418
101202020010
11567566474
12296679522
13162050a59
14b58d7d22
15707d9125
hex47a55eaa

1202020010 has 8 divisors (see below), whose sum is σ = 2163636036. Its totient is φ = 480808000.

The previous prime is 1202020007. The next prime is 1202020021. The reversal of 1202020010 is 100202021.

It can be written as a sum of positive squares in 2 ways, for example, as 1191837529 + 10182481 = 34523^2 + 3191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202020010.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 60100991 + ... + 60101010.

Almost surely, 21202020010 is an apocalyptic number.

1202020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202020010 is a deficient number, since it is larger than the sum of its proper divisors (961616026).

1202020010 is a wasteful number, since it uses less digits than its factorization.

1202020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120202008.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1202020010 is about 34670.1602246081. The cubic root of 1202020010 is about 1063.2545074007.

Adding to 1202020010 its reverse (100202021), we get a palindrome (1302222031).

The spelling of 1202020010 in words is "one billion, two hundred two million, twenty thousand, ten".

Divisors: 1 2 5 10 120202001 240404002 601010005 1202020010