[go: up one dir, main page]

Search a number
-
+
1430000143 = 11213909091
BaseRepresentation
bin101010100111100…
…0001001000001111
310200122210112102021
41111033001020033
510412040001033
6353521511011
750302541425
oct12517011017
93618715367
101430000143
1167421a300
1233aaa2467
1319a353840
14d7cc1115
158581db2d
hex553c120f

1430000143 has 12 divisors (see below), whose sum is σ = 1692729304. Its totient is φ = 1199998800.

The previous prime is 1430000107. The next prime is 1430000149. The reversal of 1430000143 is 3410000341.

It is not a de Polignac number, because 1430000143 - 225 = 1396445711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430000149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452973 + ... + 456118.

Almost surely, 21430000143 is an apocalyptic number.

1430000143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1430000143 is a deficient number, since it is larger than the sum of its proper divisors (262729161).

1430000143 is a wasteful number, since it uses less digits than its factorization.

1430000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909126 (or 909115 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1430000143 is about 37815.3426931451. The cubic root of 1430000143 is about 1126.6232088887.

Adding to 1430000143 its reverse (3410000341), we get a palindrome (4840000484).

It can be divided in two parts, 1430000 and 143, that multiplied together give a square (204490000 = 143002).

The spelling of 1430000143 in words is "one billion, four hundred thirty million, one hundred forty-three", and thus it is an aban number.

Divisors: 1 11 13 121 143 1573 909091 10000001 11818183 110000011 130000013 1430000143