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20301043420430 = 2579199129133283
BaseRepresentation
bin1001001110110101101000…
…11110110100110100001110
32122212202112121202210010222
410213122310132310310032
510130103014103423210
6111102100503231342
74163462531620313
oct447326436646416
978782477683128
1020301043420430
116517695844573
12233a58a448552
13b434c3343186
1450280bbb0d0a
15253123e51655
hex1276b47b4d0e

20301043420430 has 32 divisors (see below), whose sum is σ = 37190385792000. Its totient is φ = 7977337628832.

The previous prime is 20301043420429. The next prime is 20301043420433. The reversal of 20301043420430 is 3402434010302.

It is a self number, because there is not a number n which added to its sum of digits gives 20301043420430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301043420433) 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, 64409432 + ... + 64723851.

It is an arithmetic number, because the mean of its divisors is an integer number (1162199556000).

Almost surely, 220301043420430 is an apocalyptic number.

20301043420430 is a deficient number, since it is larger than the sum of its proper divisors (16889342371570).

20301043420430 is a wasteful number, since it uses less digits than its factorization.

20301043420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129133568.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20301043420430 its reverse (3402434010302), we get a palindrome (23703477430732).

The spelling of 20301043420430 in words is "twenty trillion, three hundred one billion, forty-three million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 79 158 199 395 398 790 995 1990 15721 31442 78605 157210 129133283 258266566 645666415 1291332830 10201529357 20403058714 25697523317 51007646785 51395046634 102015293570 128487616585 256975233170 2030104342043 4060208684086 10150521710215 20301043420430