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254042122402220 = 225157138319584917
BaseRepresentation
bin111001110000110011001010…
…011101101011100110101100
31020022111012010022012202122112
4321300303022131223212230
5231244211231313332340
62300145201230103152
7104336636421412325
oct7160631235534654
91208435108182575
10254042122402220
1173a44728260269
12245ab09494aab8
13ab9a0b9492629
1446a39c097744c
151e58342b81065
hexe70cca76b9ac

254042122402220 has 48 divisors (see below), whose sum is σ = 536891272095360. Its totient is φ = 100968705287424.

The previous prime is 254042122402171. The next prime is 254042122402247. The reversal of 254042122402220 is 22204221240452.

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, 434029202 + ... + 434614118.

It is an arithmetic number, because the mean of its divisors is an integer number (11185234835320).

Almost surely, 2254042122402220 is an apocalyptic number.

254042122402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254042122402220 is an abundant number, since it is smaller than the sum of its proper divisors (282849149693140).

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

254042122402220 is a wasteful number, since it uses less digits than its factorization.

254042122402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723402 (or 723400 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 254042122402220 its reverse (22204221240452), we get a palindrome (276246343642672).

The spelling of 254042122402220 in words is "two hundred fifty-four trillion, forty-two billion, one hundred twenty-two million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 138319 276638 553276 584917 691595 1169834 1383190 2339668 2766380 2924585 5849170 11698340 21716083 43432166 86864332 91831969 108580415 183663938 217160830 367327876 434321660 459159845 918319690 1836639380 80905134523 161810269046 323620538092 404525672615 809051345230 1618102690460 12702106120111 25404212240222 50808424480444 63510530600555 127021061201110 254042122402220