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23243232140420 = 22514922340187223
BaseRepresentation
bin1010100100011101111001…
…00110000101110010000100
310001022000211210220202020012
411102032330212011302010
511021304114411443140
6121233443214325352
74616160650245505
oct522167446056204
9101260753822205
1023243232140420
117451443658986
12273483b4b9858
13cc7a9a9c8186
145a4d9ab96bac
152a4923182265
hex1523bc985c84

23243232140420 has 96 divisors (see below), whose sum is σ = 49482384537600. Its totient is φ = 9170451302400.

The previous prime is 23243232140413. The next prime is 23243232140503. The reversal of 23243232140420 is 2404123234232.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266436929 + ... + 266524151.

It is an arithmetic number, because the mean of its divisors is an integer number (515441505600).

Almost surely, 223243232140420 is an apocalyptic number.

23243232140420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23243232140420 is an abundant number, since it is smaller than the sum of its proper divisors (26239152397180).

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

23243232140420 is a wasteful number, since it uses less digits than its factorization.

23243232140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88005 (or 88003 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 23243232140420 its reverse (2404123234232), we get a palindrome (25647355374652).

The spelling of 23243232140420 in words is "twenty-three trillion, two hundred forty-three billion, two hundred thirty-two million, one hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 149 223 298 401 446 596 745 802 892 1115 1490 1604 2005 2230 2980 4010 4460 8020 33227 59749 66454 87223 89423 119498 132908 166135 174446 178846 238996 298745 332270 348892 357692 436115 447115 597490 664540 872230 894230 1194980 1744460 1788460 12996227 13324027 19450729 25992454 26648054 34976423 38901458 51984908 53296108 64981135 66620135 69952846 77802916 97253645 129962270 133240270 139905692 174882115 194507290 259924540 266480540 349764230 389014580 699528460 2898158621 5211487027 5796317242 7799742329 10422974054 11592634484 14490793105 15599484658 20845948108 26057435135 28981586210 31198969316 38998711645 52114870270 57963172420 77997423290 104229740540 155994846580 1162161607021 2324323214042 4648646428084 5810808035105 11621616070210 23243232140420