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1430030028730 = 25143003002873
BaseRepresentation
bin10100110011110100011…
…011101000111110111010
312001201011020210022112011
4110303310123220332322
5141412200141404410
63012540254240134
7205213322454142
oct24636433507672
95051136708464
101430030028730
11501521741356
121b11961b604a
13a4b0b284044
144d2dca2d922
15272e971b18a
hex14cf46e8fba

1430030028730 has 8 divisors (see below), whose sum is σ = 2574054051732. Its totient is φ = 572012011488.

The previous prime is 1430030028727. The next prime is 1430030028731. The reversal of 1430030028730 is 378200300341.

It can be written as a sum of positive squares in 2 ways, for example, as 1204987002961 + 225043025769 = 1097719^2 + 474387^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1430030028692 and 1430030028701.

It is not an unprimeable number, because it can be changed into a prime (1430030028731) 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, 71501501427 + ... + 71501501446.

Almost surely, 21430030028730 is an apocalyptic number.

1430030028730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430030028730 is a deficient number, since it is larger than the sum of its proper divisors (1144024023002).

1430030028730 is a wasteful number, since it uses less digits than its factorization.

1430030028730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143003002880.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 1430030028730 in words is "one trillion, four hundred thirty billion, thirty million, twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 143003002873 286006005746 715015014365 1430030028730