Search a number
-
+
20430502025082 = 2331674261384751
BaseRepresentation
bin1001010010100110110001…
…10100001101011101111010
32200100010200210222021222020
410221103120310031131322
510134213132004300312
6111241350522335310
74206024612611502
oct451233064153572
980303623867866
1020430502025082
116567588853326
12235b69995a536
13b52784ccac16
14508bad3caa02
1525669e4c178c
hex1294d8d0d77a

20430502025082 has 64 divisors (see below), whose sum is σ = 42818797682688. Its totient is φ = 6490578600000.

The previous prime is 20430502025057. The next prime is 20430502025137. The reversal of 20430502025082 is 28052020503402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52908207 + ... + 53292957.

It is an arithmetic number, because the mean of its divisors is an integer number (669043713792).

Almost surely, 220430502025082 is an apocalyptic number.

20430502025082 is an abundant number, since it is smaller than the sum of its proper divisors (22388295657606).

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

20430502025082 is a wasteful number, since it uses less digits than its factorization.

20430502025082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389115.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 20430502025082 its reverse (28052020503402), we get a palindrome (48482522528484).

The spelling of 20430502025082 in words is "twenty trillion, four hundred thirty billion, five hundred two million, twenty-five thousand, eighty-two".

Divisors: 1 2 3 6 31 62 67 93 134 186 201 402 2077 4154 4261 6231 8522 12462 12783 25566 132091 264182 285487 384751 396273 570974 769502 792546 856461 1154253 1712922 2308506 8850097 11927281 17700194 23854562 25778317 26550291 35781843 51556634 53100582 71563686 77334951 154669902 799127827 1598255654 1639424011 2397383481 3278848022 4794766962 4918272033 9836544066 50822144341 101644288682 109841408737 152466433023 219682817474 304932866046 329524226211 659048452422 3405083670847 6810167341694 10215251012541 20430502025082