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12030342432 = 253125316067
BaseRepresentation
bin10110011010001000…
…00111010100100000
31011001102012201100020
423031010013110200
5144114231424212
65305431553440
7604060136433
oct131504072440
934042181306
1012030342432
1151138a6369
1223b8b2b880
131199529624
14821a7981a
154a6265d8c
hex2cd107520

12030342432 has 24 divisors (see below), whose sum is σ = 31579649136. Its totient is φ = 4010114112.

The previous prime is 12030342407. The next prime is 12030342433. The reversal of 12030342432 is 23424303021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12030342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62657938 + ... + 62658129.

It is an arithmetic number, because the mean of its divisors is an integer number (1315818714).

Almost surely, 212030342432 is an apocalyptic number.

12030342432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12030342432 is an abundant number, since it is smaller than the sum of its proper divisors (19549306704).

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

12030342432 is a wasteful number, since it uses less digits than its factorization.

12030342432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125316080 (or 125316072 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12030342432 its reverse (23424303021), we get a palindrome (35454645453).

It can be divided in two parts, 120303 and 42432, that added together give a triangular number (162735 = T570).

The spelling of 12030342432 in words is "twelve billion, thirty million, three hundred forty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 125316067 250632134 375948201 501264268 751896402 1002528536 1503792804 2005057072 3007585608 4010114144 6015171216 12030342432