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1131420101 = 7510731649
BaseRepresentation
bin100001101110000…
…0001100111000101
32220211222002121012
41003130001213011
54304120420401
6304134132005
740015624610
oct10334014705
92824862535
101131420101
11530725739
12276ab1005
13150532166
14aa39b177
15694e08bb
hex437019c5

1131420101 has 8 divisors (see below), whose sum is σ = 1293345600. Its totient is φ = 969568128.

The previous prime is 1131420041. The next prime is 1131420119. The reversal of 1131420101 is 1010241311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1131420101 is a prime.

It is a super-2 number, since 2×11314201012 = 2560222889893700402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131420161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19925 + ... + 51573.

It is an arithmetic number, because the mean of its divisors is an integer number (161668200).

Almost surely, 21131420101 is an apocalyptic number.

It is an amenable number.

1131420101 is a deficient number, since it is larger than the sum of its proper divisors (161925499).

1131420101 is an equidigital number, since it uses as much as digits as its factorization.

1131420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36763.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1131420101 is about 33636.5887241855. The cubic root of 1131420101 is about 1042.0165819154.

Adding to 1131420101 its reverse (1010241311), we get a palindrome (2141661412).

The spelling of 1131420101 in words is "one billion, one hundred thirty-one million, four hundred twenty thousand, one hundred one".

Divisors: 1 7 5107 31649 35749 221543 161631443 1131420101