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124434402140 = 225191747118743
BaseRepresentation
bin111001111100011011…
…1100100101101011100
3102220012001021120122202
41303320313210231130
54014320201332030
6133055301031032
711663412652346
oct1637067445534
9386161246582
10124434402140
1148854a81084
12201489b5478
13b970b03c69
146046258296
153384437745
hex1cf8de4b5c

124434402140 has 48 divisors (see below), whose sum is σ = 275095941120. Its totient is φ = 47148874560.

The previous prime is 124434402139. The next prime is 124434402149. The reversal of 124434402140 is 41204434421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124434402149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6629609 + ... + 6648351.

It is an arithmetic number, because the mean of its divisors is an integer number (5731165440).

Almost surely, 2124434402140 is an apocalyptic number.

124434402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124434402140 is an abundant number, since it is smaller than the sum of its proper divisors (150661538980).

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

124434402140 is a wasteful number, since it uses less digits than its factorization.

124434402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36242 (or 36240 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 124434402140 its reverse (41204434421), we get a palindrome (165638836561).

The spelling of 124434402140 in words is "one hundred twenty-four billion, four hundred thirty-four million, four hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 17471 18743 34942 37486 69884 74972 87355 93715 174710 187430 331949 349420 356117 374860 663898 712234 1327796 1424468 1659745 1780585 3319490 3561170 6638980 7122340 327458953 654917906 1309835812 1637294765 3274589530 6221720107 6549179060 12443440214 24886880428 31108600535 62217201070 124434402140