Search a number
-
+
1443130134420 = 2235131850166839
BaseRepresentation
bin10101000000000001010…
…000100100111110010100
312002221222012221122011210
4111000001100210332110
5142121012303300140
63022544223101420
7206156052514122
oct25000120447624
95087865848153
101443130134420
1150703437a687
121b3831441870
13a6118305680
144dbc27b6912
1527814843d80
hex15001424f94

1443130134420 has 48 divisors (see below), whose sum is σ = 4351592407680. Its totient is φ = 355232032896.

The previous prime is 1443130134389. The next prime is 1443130134421. The reversal of 1443130134420 is 244310313441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443130134421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925082640 + ... + 925084199.

It is an arithmetic number, because the mean of its divisors is an integer number (90658175160).

Almost surely, 21443130134420 is an apocalyptic number.

1443130134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443130134420 is an abundant number, since it is smaller than the sum of its proper divisors (2908462273260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443130134420 is a wasteful number, since it uses less digits than its factorization.

1443130134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850166864 (or 1850166862 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1443130134420 its reverse (244310313441), we get a palindrome (1687440447861).

The spelling of 1443130134420 in words is "one trillion, four hundred forty-three billion, one hundred thirty million, one hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 1850166839 3700333678 5550500517 7400667356 9250834195 11101001034 18501668390 22202002068 24052168907 27752502585 37003336780 48104337814 55505005170 72156506721 96208675628 111010010340 120260844535 144313013442 240521689070 288626026884 360782533605 481043378140 721565067210 1443130134420