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23153305431452 = 2271979550901909
BaseRepresentation
bin1010100001110110011001…
…00010111010110110011100
310000222102201122221121111112
411100323030202322312130
511013320432142301302
6121124252013041152
74606525330653440
oct520731442726634
9100872648847445
1023153305431452
117417297346499
12271b3231861b8
13cbc469127691
145a08a98d6820
152a240d481552
hex150ecc8bad9c

23153305431452 has 48 divisors (see below), whose sum is σ = 49360811136000. Its totient is φ = 9281595345984.

The previous prime is 23153305431409. The next prime is 23153305431481. The reversal of 23153305431452 is 25413450335132.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 275408927 + ... + 275492982.

It is an arithmetic number, because the mean of its divisors is an integer number (1028350232000).

Almost surely, 223153305431452 is an apocalyptic number.

It is an amenable number.

23153305431452 is an abundant number, since it is smaller than the sum of its proper divisors (26207505704548).

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

23153305431452 is a wasteful number, since it uses less digits than its factorization.

23153305431452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550902018 (or 550902016 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 23153305431452 its reverse (25413450335132), we get a palindrome (48566755766584).

The spelling of 23153305431452 in words is "twenty-three trillion, one hundred fifty-three billion, three hundred five million, four hundred thirty-one thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 19 28 38 76 79 133 158 266 316 532 553 1106 1501 2212 3002 6004 10507 21014 42028 550901909 1101803818 2203607636 3856313363 7712626726 10467136271 15425253452 20934272542 41868545084 43521250811 73269953897 87042501622 146539907794 174085003244 293079815588 304648755677 609297511354 826903765409 1218595022708 1653807530818 3307615061636 5788326357863 11576652715726 23153305431452