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20300431742500 = 225471389232667
BaseRepresentation
bin1001001110110100100000…
…00001011101011000100100
32122212200221222210022202211
410213122100001131120210
510130100241011230000
6111101520053013204
74163441423502610
oct447322001353044
978780858708684
1020300431742500
11651740153a918
12233a439624204
13b434266b9080
14502790868340
152530da3c87ba
hex12769005d624

20300431742500 has 120 divisors (see below), whose sum is σ = 54637519547072. Its totient is φ = 6424751952000.

The previous prime is 20300431742467. The next prime is 20300431742533. The reversal of 20300431742500 is 524713400302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20300431742467) and next prime (20300431742533).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44388834 + ... + 44843833.

Almost surely, 220300431742500 is an apocalyptic number.

20300431742500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300431742500 is an abundant number, since it is smaller than the sum of its proper divisors (34337087804572).

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

20300431742500 is a wasteful number, since it uses less digits than its factorization.

20300431742500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89232711 (or 89232694 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 20300431742500 in words is "twenty trillion, three hundred billion, four hundred thirty-one million, seven hundred forty-two thousand, five hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 100 125 130 140 175 182 250 260 325 350 364 455 500 625 650 700 875 910 1250 1300 1625 1750 1820 2275 2500 3250 3500 4375 4550 6500 8125 8750 9100 11375 16250 17500 22750 32500 45500 56875 113750 227500 89232667 178465334 356930668 446163335 624628669 892326670 1160024671 1249257338 1784653340 2230816675 2320049342 2498514676 3123143345 4461633350 4640098684 5800123355 6246286690 8120172697 8923266700 11154083375 11600246710 12492573380 15615716725 16240345394 22308166750 23200493420 29000616775 31231433450 32480690788 40600863485 44616333500 55770416875 58001233550 62462866900 78078583625 81201726970 111540833750 116002467100 145003083875 156157167250 162403453940 203004317425 223081667500 290006167750 312314334500 390392918125 406008634850 580012335500 725015419375 780785836250 812017269700 1015021587125 1450030838750 1561571672500 2030043174250 2900061677500 4060086348500 5075107935625 10150215871250 20300431742500