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124443213020 = 22571018800793
BaseRepresentation
bin111001111100101100…
…1001011110011011100
3102220012122212012220122
41303321121023303130
54014324430304040
6133100213534112
711663550600140
oct1637131136334
9386178765818
10124443213020
1148859a498a5
122014b944338
13b97289a4b9
1460474ad220
1533850c81b5
hex1cf964bcdc

124443213020 has 48 divisors (see below), whose sum is σ = 301620811968. Its totient is φ = 42243801600.

The previous prime is 124443212989. The next prime is 124443213031. The reversal of 124443213020 is 20312344421.

It is a super-2 number, since 2×1244432130202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 4386257 + ... + 4414536.

It is an arithmetic number, because the mean of its divisors is an integer number (6283766916).

Almost surely, 2124443213020 is an apocalyptic number.

124443213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124443213020 is an abundant number, since it is smaller than the sum of its proper divisors (177177598948).

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

124443213020 is a wasteful number, since it uses less digits than its factorization.

124443213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800910 (or 8800908 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 124443213020 its reverse (20312344421), we get a palindrome (144755557441).

The spelling of 124443213020 in words is "one hundred twenty-four billion, four hundred forty-three million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 101 140 202 404 505 707 1010 1414 2020 2828 3535 7070 14140 8800793 17601586 35203172 44003965 61605551 88007930 123211102 176015860 246422204 308027755 616055510 888880093 1232111020 1777760186 3555520372 4444400465 6222160651 8888800930 12444321302 17777601860 24888642604 31110803255 62221606510 124443213020