Search a number
-
+
124443212988 = 22310370267749
BaseRepresentation
bin111001111100101100…
…1001011110010111100
3102220012122212012212110
41303321121023302330
54014324430303423
6133100213534020
711663550600063
oct1637131136274
9386178765773
10124443212988
1148859a49876
122014b944310
13b97289a493
1460474ad1da
1533850c8193
hex1cf964bcbc

124443212988 has 12 divisors (see below), whose sum is σ = 290367497000. Its totient is φ = 41481070992.

The previous prime is 124443212981. The next prime is 124443212989. The reversal of 124443212988 is 889212344421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1244432129882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124443212981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185133863 + ... + 5185133886.

Almost surely, 2124443212988 is an apocalyptic number.

It is an amenable number.

124443212988 is an abundant number, since it is smaller than the sum of its proper divisors (165924284012).

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

124443212988 is a wasteful number, since it uses less digits than its factorization.

124443212988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370267756 (or 10370267754 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

It can be divided in two parts, 124443 and 212988, that added together give a triangular number (337431 = T821).

The spelling of 124443212988 in words is "one hundred twenty-four billion, four hundred forty-three million, two hundred twelve thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 10370267749 20740535498 31110803247 41481070996 62221606494 124443212988