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1113402042 = 23261855669
BaseRepresentation
bin100001001011101…
…0010101010111010
32212121001200110200
41002113102222322
54240012331132
6302252023030
736406522044
oct10227225272
92777050420
101113402042
11521539485
12270a61a76
13149893b9c
14a7c2aa94
1567b31d7c
hex425d2aba

1113402042 has 12 divisors (see below), whose sum is σ = 2412371130. Its totient is φ = 371134008.

The previous prime is 1113402041. The next prime is 1113402091. The reversal of 1113402042 is 2402043111.

It can be written as a sum of positive squares in only one way, i.e., 580761801 + 532640241 = 24099^2 + 23079^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 61855669 = 1113402042 / (1 + 1 + 1 + 3 + 4 + 0 + 2 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1113402041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30927817 + ... + 30927852.

Almost surely, 21113402042 is an apocalyptic number.

1113402042 is an abundant number, since it is smaller than the sum of its proper divisors (1298969088).

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

1113402042 is a wasteful number, since it uses less digits than its factorization.

1113402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61855677 (or 61855674 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1113402042 is about 33367.6796016744. The cubic root of 1113402042 is about 1036.4555254670.

Adding to 1113402042 its reverse (2402043111), we get a palindrome (3515445153).

The spelling of 1113402042 in words is "one billion, one hundred thirteen million, four hundred two thousand, forty-two".

Divisors: 1 2 3 6 9 18 61855669 123711338 185567007 371134014 556701021 1113402042