Search a number
-
+
12127455300 = 2235240424851
BaseRepresentation
bin10110100101101101…
…00100100001000100
31011022011221120011010
423102312210201010
5144314112032200
65323221242220
7606346445352
oct132266444104
934264846133
1012127455300
1151636a5734
122425563370
1311b369bc6c
148309187d2
154aea4a150
hex2d2da4844

12127455300 has 36 divisors (see below), whose sum is σ = 35088771536. Its totient is φ = 3233988000.

The previous prime is 12127455293. The next prime is 12127455367. The reversal of 12127455300 is 355472121.

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

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, 20212126 + ... + 20212725.

Almost surely, 212127455300 is an apocalyptic number.

12127455300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12127455300 is an abundant number, since it is smaller than the sum of its proper divisors (22961316236).

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

12127455300 is a wasteful number, since it uses less digits than its factorization.

12127455300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40424868 (or 40424861 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 12127455300 in words is "twelve billion, one hundred twenty-seven million, four hundred fifty-five thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 40424851 80849702 121274553 161699404 202124255 242549106 404248510 485098212 606372765 808497020 1010621275 1212745530 2021242550 2425491060 3031863825 4042485100 6063727650 12127455300