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20575030413252 = 22373126929372927
BaseRepresentation
bin1001010110110011111110…
…11000010000011111000100
32200211221202020122010110210
410223121333120100133010
510144100130241211002
6111432012151315420
74222332301624620
oct453317730203704
980757666563423
1020575030413252
116612904307527
1223836b407bb70
13b632a8ac5b33
14511ba01d4180
1525a30ca3c96c
hex12b67f6107c4

20575030413252 has 96 divisors (see below), whose sum is σ = 56847189934080. Its totient is φ = 5667799800960.

The previous prime is 20575030413251. The next prime is 20575030413269. The reversal of 20575030413252 is 25231403057502.

It is a self number, because there is not a number n which added to its sum of digits gives 20575030413252.

It is not an unprimeable number, because it can be changed into a prime (20575030413251) by changing a digit.

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, 13985988 + ... + 15386939.

It is an arithmetic number, because the mean of its divisors is an integer number (592158228480).

Almost surely, 220575030413252 is an apocalyptic number.

It is an amenable number.

20575030413252 is an abundant number, since it is smaller than the sum of its proper divisors (36272159520828).

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

20575030413252 is a wasteful number, since it uses less digits than its factorization.

20575030413252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29373241 (or 29373239 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 20575030413252 in words is "twenty trillion, five hundred seventy-five billion, thirty million, four hundred thirteen thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 269 372 434 538 651 807 868 1076 1302 1614 1883 2604 3228 3766 5649 7532 8339 11298 16678 22596 25017 33356 50034 58373 100068 116746 175119 233492 350238 700476 29372927 58745854 88118781 117491708 176237562 205610489 352475124 411220978 616831467 822441956 910560737 1233662934 1821121474 2467325868 2731682211 3642242948 5463364422 6373925159 7901317363 10926728844 12747850318 15802634726 19121775477 23703952089 25495700636 31605269452 38243550954 47407904178 55309221541 76487101908 94815808356 110618443082 165927664623 221236886164 244940838253 331855329246 489881676506 663710658492 734822514759 979763353012 1469645029518 1714585867771 2939290059036 3429171735542 5143757603313 6858343471084 10287515206626 20575030413252