Search a number
-
+
1230232330020 = 223549314158157
BaseRepresentation
bin10001111001101111100…
…011111001111100100100
311100121110000011121020010
4101321233203321330210
5130124003434030040
62341054432210220
7154611206160621
oct21715743717444
94317400147203
101230232330020
11434814095101
1217a516399970
138c019b46795
144378776d348
1522003e07e80
hex11e6f8f9f24

1230232330020 has 48 divisors (see below), whose sum is σ = 3445349923008. Its totient is φ = 327995345280.

The previous prime is 1230232330009. The next prime is 1230232330079. The reversal of 1230232330020 is 200332320321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783219 + ... + 2374938.

It is an arithmetic number, because the mean of its divisors is an integer number (71778123396).

Almost surely, 21230232330020 is an apocalyptic number.

1230232330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230232330020 is an abundant number, since it is smaller than the sum of its proper divisors (2215117592988).

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

1230232330020 is a wasteful number, since it uses less digits than its factorization.

1230232330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163100 (or 4163098 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 1230232330020 its reverse (200332320321), we get a palindrome (1430564650341).

The spelling of 1230232330020 in words is "one trillion, two hundred thirty billion, two hundred thirty-two million, three hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4931 9862 14793 19724 24655 29586 49310 59172 73965 98620 147930 295860 4158157 8316314 12474471 16632628 20790785 24948942 41581570 49897884 62372355 83163140 124744710 249489420 20503872167 41007744334 61511616501 82015488668 102519360835 123023233002 205038721670 246046466004 307558082505 410077443340 615116165010 1230232330020