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1130421401 = 1318629171
BaseRepresentation
bin100001101100000…
…1101110010011001
32220210002100122022
41003120031302121
54303341441101
6304100504225
740004265134
oct10330156231
92823070568
101130421401
1153010336a
122766ab075
13150272705
14aa1bb21b
1569394a1b
hex4360dc99

1130421401 has 4 divisors (see below), whose sum is σ = 1139050704. Its totient is φ = 1121792100.

The previous prime is 1130421389. The next prime is 1130421433. The reversal of 1130421401 is 1041240311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1130421401 is a prime.

It is a super-3 number, since 3×11304214013 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130421401.

It is not an unprimeable number, because it can be changed into a prime (1130421101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314455 + ... + 4314716.

It is an arithmetic number, because the mean of its divisors is an integer number (284762676).

Almost surely, 21130421401 is an apocalyptic number.

It is an amenable number.

1130421401 is a deficient number, since it is larger than the sum of its proper divisors (8629303).

1130421401 is an equidigital number, since it uses as much as digits as its factorization.

1130421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629302.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1130421401 is about 33621.7400055381. The cubic root of 1130421401 is about 1041.7098970375.

Adding to 1130421401 its reverse (1041240311), we get a palindrome (2171661712).

The spelling of 1130421401 in words is "one billion, one hundred thirty million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 131 8629171 1130421401