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1430121530 = 25143012153
BaseRepresentation
bin101010100111101…
…1110110000111010
310200200000200221002
41111033132300322
510412102342110
6353524245002
750303555345
oct12517366072
93620020832
101430121530
116742a2522
1233ab40762
1319a396b76
14d7d1345c
1585844aa5
hex553dec3a

1430121530 has 8 divisors (see below), whose sum is σ = 2574218772. Its totient is φ = 572048608.

The previous prime is 1430121527. The next prime is 1430121541. The reversal of 1430121530 is 351210341.

It can be written as a sum of positive squares in 2 ways, for example, as 1362569569 + 67551961 = 36913^2 + 8219^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71506067 + ... + 71506086.

Almost surely, 21430121530 is an apocalyptic number.

1430121530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430121530 is a deficient number, since it is larger than the sum of its proper divisors (1144097242).

1430121530 is a wasteful number, since it uses less digits than its factorization.

1430121530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143012160.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1430121530 is about 37816.9476557799. The cubic root of 1430121530 is about 1126.6550861680.

Adding to 1430121530 its reverse (351210341), we get a palindrome (1781331871).

The spelling of 1430121530 in words is "one billion, four hundred thirty million, one hundred twenty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 143012153 286024306 715060765 1430121530