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55352015742020 = 22537167447904319
BaseRepresentation
bin11001001010111101001010…
…01111000110010001000100
321020222121020010222220010212
430211132211033012101010
524223341412012221040
6313420210500534552
714442023356546364
oct1445364517062104
9236877203886125
1055352015742020
1116700726953798
12625b7120b1458
1324b6898b821ca
14d950a24189a4
1565ec76356d65
hex3257a53c6444

55352015742020 has 48 divisors (see below), whose sum is σ = 120095689512960. Its totient is φ = 21413409634944.

The previous prime is 55352015741963. The next prime is 55352015742041. The reversal of 55352015742020 is 2024751025355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223828580 + ... + 224075739.

It is an arithmetic number, because the mean of its divisors is an integer number (2501993531520).

Almost surely, 255352015742020 is an apocalyptic number.

It is an amenable number.

55352015742020 is an abundant number, since it is smaller than the sum of its proper divisors (64743673770940).

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

55352015742020 is a wasteful number, since it uses less digits than its factorization.

55352015742020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447904532 (or 447904530 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 41.

Adding to 55352015742020 its reverse (2024751025355), we get a palindrome (57376766767375).

The spelling of 55352015742020 in words is "fifty-five trillion, three hundred fifty-two billion, fifteen million, seven hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 167 185 334 370 668 740 835 1670 3340 6179 12358 24716 30895 61790 123580 447904319 895808638 1791617276 2239521595 4479043190 8958086380 16572459803 33144919606 66289839212 74800021273 82862299015 149600042546 165724598030 299200085092 331449196060 374000106365 748000212730 1496000425460 2767600787101 5535201574202 11070403148404 13838003935505 27676007871010 55352015742020