Search a number
-
+
12432061264420 = 225788800437603
BaseRepresentation
bin1011010011101001000010…
…0110000111001000100100
31122000111022201120110101001
42310322100212013020210
53112141330140430140
642235113214243044
72422121032115440
oct264722046071044
948014281513331
1012432061264420
113a63453531746
1214895001b6484
136c245246a9b5
1430da01c71820
151685be3a7e9a
hexb4e90987224

12432061264420 has 24 divisors (see below), whose sum is σ = 29836947034944. Its totient is φ = 4262421004896.

The previous prime is 12432061264367. The next prime is 12432061264451. The reversal of 12432061264420 is 2446216023421.

It is a super-2 number, since 2×124320612644202 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12432061264420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44400218662 + ... + 44400218941.

It is an arithmetic number, because the mean of its divisors is an integer number (1243206126456).

Almost surely, 212432061264420 is an apocalyptic number.

12432061264420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432061264420 is an abundant number, since it is smaller than the sum of its proper divisors (17404885770524).

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

12432061264420 is a wasteful number, since it uses less digits than its factorization.

12432061264420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88800437619 (or 88800437617 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 12432061264420 its reverse (2446216023421), we get a palindrome (14878277287841).

It can be divided in two parts, 124320 and 61264420, that added together give a triangular number (61388740 = T11080).

The spelling of 12432061264420 in words is "twelve trillion, four hundred thirty-two billion, sixty-one million, two hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 88800437603 177600875206 355201750412 444002188015 621603063221 888004376030 1243206126442 1776008752060 2486412252884 3108015316105 6216030632210 12432061264420