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15505335125052 = 22319328657233621
BaseRepresentation
bin1110000110100001110111…
…1111100000010000111100
32000220021222110112112012020
43201220131333200100330
54013014411243000202
652551015211040140
73160136441655423
oct341503577402074
960807873475166
1015505335125052
114a38859500433
1218a5055440050
138861ba774886
143b86684b42ba
151bd4e184a5bc
hexe1a1dfe043c

15505335125052 has 48 divisors (see below), whose sum is σ = 36367996547232. Its totient is φ = 5141464104960.

The previous prime is 15505335125029. The next prime is 15505335125053. The reversal of 15505335125052 is 25052153350551.

15505335125052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15505335124995 and 15505335125013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15505335125053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66252802 + ... + 66486422.

It is an arithmetic number, because the mean of its divisors is an integer number (757666594734).

Almost surely, 215505335125052 is an apocalyptic number.

15505335125052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15505335125052 is an abundant number, since it is smaller than the sum of its proper divisors (20862661422180).

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

15505335125052 is a wasteful number, since it uses less digits than its factorization.

15505335125052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262478 (or 262476 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 15505335125052 in words is "fifteen trillion, five hundred five billion, three hundred thirty-five million, one hundred twenty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 193 386 579 772 1158 2316 28657 57314 85971 114628 171942 233621 343884 467242 700863 934484 1401726 2803452 5530801 11061602 16592403 22123204 33184806 45088853 66369612 90177706 135266559 180355412 270533118 541066236 6694876997 13389753994 20084630991 26779507988 40169261982 80338523964 1292111260421 2584222520842 3876333781263 5168445041684 7752667562526 15505335125052