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1202220042 = 231720115861
BaseRepresentation
bin100011110101000…
…0110110000001010
310002210012002212020
41013222012300022
54430232020132
6315143425310
741535462462
oct10752066012
93083162766
101202220042
11567692791
12296755236
131620c0b0a
14b594aba2
157082852c
hex47a86c0a

1202220042 has 32 divisors (see below), whose sum is σ = 2547578304. Its totient is φ = 376915200.

The previous prime is 1202220023. The next prime is 1202220133. The reversal of 1202220042 is 2400222021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202192 + ... + 208052.

It is an arithmetic number, because the mean of its divisors is an integer number (79611822).

Almost surely, 21202220042 is an apocalyptic number.

1202220042 is an abundant number, since it is smaller than the sum of its proper divisors (1345358262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202220042 is a wasteful number, since it uses less digits than its factorization.

1202220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1202220042 is about 34673.0448908082. The cubic root of 1202220042 is about 1063.3134839921.

Adding to 1202220042 its reverse (2400222021), we get a palindrome (3602442063).

The spelling of 1202220042 in words is "one billion, two hundred two million, two hundred twenty thousand, forty-two".

Divisors: 1 2 3 6 17 34 51 102 2011 4022 5861 6033 11722 12066 17583 34187 35166 68374 99637 102561 199274 205122 298911 597822 11786471 23572942 35359413 70718826 200370007 400740014 601110021 1202220042