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20273121174460 = 22571113164364399
BaseRepresentation
bin1001001110000001101000…
…01011111010001110111100
32122210002110200010201110211
410213000310023322032330
510124123323010040320
6111041202052442204
74161453561503350
oct447006413721674
978702420121424
1020273121174460
116506867424930
122335097319364
13b4099357a43b
1450131d6a1460
1525253c94855a
hex1270342fa3bc

20273121174460 has 48 divisors (see below), whose sum is σ = 53078717260800. Its totient is φ = 6318894911040.

The previous prime is 20273121174451. The next prime is 20273121174473. The reversal of 20273121174460 is 6447112137202.

It is a happy number.

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, 6582180660 + ... + 6582183739.

It is an arithmetic number, because the mean of its divisors is an integer number (1105806609600).

Almost surely, 220273121174460 is an apocalyptic number.

20273121174460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20273121174460 is an abundant number, since it is smaller than the sum of its proper divisors (32805596086340).

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

20273121174460 is a wasteful number, since it uses less digits than its factorization.

20273121174460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13164364426 (or 13164364424 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 20273121174460 in words is "twenty trillion, two hundred seventy-three billion, one hundred twenty-one million, one hundred seventy-four thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 13164364399 26328728798 52657457596 65821821995 92150550793 131643643990 144808008389 184301101586 263287287980 289616016778 368602203172 460752753965 579232033556 724040041945 921505507930 1013656058723 1448080083890 1843011015860 2027312117446 2896160167780 4054624234892 5068280293615 10136560587230 20273121174460