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1232230120 = 235112254593
BaseRepresentation
bin100100101110010…
…0101011011101000
310011212122202221121
41021130211123220
510010422330440
6322134545024
742351532432
oct11134453350
93155582847
101232230120
1158261a800
122a4808174
1316839a564
14b991d652
15732a534a
hex497256e8

1232230120 has 48 divisors (see below), whose sum is σ = 3047490180. Its totient is φ = 448081920.

The previous prime is 1232230061. The next prime is 1232230141. The reversal of 1232230120 is 210322321.

It can be written as a sum of positive squares in 2 ways, for example, as 1228222116 + 4008004 = 35046^2 + 2002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232230094 and 1232230103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122457 + ... + 132136.

Almost surely, 21232230120 is an apocalyptic number.

1232230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232230120 is an abundant number, since it is smaller than the sum of its proper divisors (1815260060).

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

1232230120 is a wasteful number, since it uses less digits than its factorization.

1232230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254626 (or 254611 counting only the distinct ones).

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

The square root of 1232230120 is about 35103.1354724902. The cubic root of 1232230120 is about 1072.0884241496.

Adding to 1232230120 its reverse (210322321), we get a palindrome (1442552441).

It can be divided in two parts, 12322301 and 20, that added together give a palindrome (12322321).

The spelling of 1232230120 in words is "one billion, two hundred thirty-two million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 2420 4840 254593 509186 1018372 1272965 2036744 2545930 2800523 5091860 5601046 10183720 11202092 14002615 22404184 28005230 30805753 56010460 61611506 112020920 123223012 154028765 246446024 308057530 616115060 1232230120