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1202312042 = 21367439763
BaseRepresentation
bin100011110101001…
…1101001101101010
310002210100210001122
41013222131031222
54430242441132
6315145415242
741536324631
oct10752351552
93083323048
101202312042
11567745918
1229679a522
13162123959
14b5972518
1570845912
hex47a9d36a

1202312042 has 8 divisors (see below), whose sum is σ = 1804791456. Its totient is φ = 600714892.

The previous prime is 1202312009. The next prime is 1202312093. The reversal of 1202312042 is 2402132021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202312042.

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, 217148 + ... + 222615.

It is an arithmetic number, because the mean of its divisors is an integer number (225598932).

Almost surely, 21202312042 is an apocalyptic number.

1202312042 is a deficient number, since it is larger than the sum of its proper divisors (602479414).

1202312042 is a wasteful number, since it uses less digits than its factorization.

1202312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441132.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1202312042 is about 34674.3715444130. The cubic root of 1202312042 is about 1063.3406066878.

Adding to 1202312042 its reverse (2402132021), we get a palindrome (3604444063).

The spelling of 1202312042 in words is "one billion, two hundred two million, three hundred twelve thousand, forty-two".

Divisors: 1 2 1367 2734 439763 879526 601156021 1202312042