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154204245620 = 225292437109097
BaseRepresentation
bin1000111110011101001…
…0100000111001110100
3112202000202111022122022
42033213102200321310
510011302241324440
6154501312052312
714066216314055
oct2174722407164
9482022438568
10154204245620
115a441305107
1225a76834098
13117065b3769
14766bcb072c
154027c4bcb5
hex23e74a0e74

154204245620 has 48 divisors (see below), whose sum is σ = 335135964240. Its totient is φ = 59529759744.

The previous prime is 154204245619. The next prime is 154204245631. The reversal of 154204245620 is 26542402451.

154204245620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4965739024 + 149238506596 = 70468^2 + 386314^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358912 + ... + 1468008.

It is an arithmetic number, because the mean of its divisors is an integer number (6981999255).

Almost surely, 2154204245620 is an apocalyptic number.

154204245620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154204245620 is an abundant number, since it is smaller than the sum of its proper divisors (180931718620).

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

154204245620 is a wasteful number, since it uses less digits than its factorization.

154204245620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111572 (or 111570 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 154204245620 in words is "one hundred fifty-four billion, two hundred four million, two hundred forty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 2437 4874 9748 12185 24370 48740 70673 109097 141346 218194 282692 353365 436388 545485 706730 1090970 1413460 2181940 3163813 6327626 12655252 15819065 31638130 63276260 265869389 531738778 1063477556 1329346945 2658693890 5317387780 7710212281 15420424562 30840849124 38551061405 77102122810 154204245620