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12513804732952 = 239724239665293
BaseRepresentation
bin1011011000011001100011…
…1000101100101000011000
31122022022022120022220120121
42312012120320230220120
53120011233002423302
642340432412403024
72431043514124615
oct266063070545030
948268276286517
1012513804732952
113a950905a0506
1214a1313a76474
136ca07b85b5a3
143139583a950c
1516a7a5964e37
hexb6198e2ca18

12513804732952 has 32 divisors (see below), whose sum is σ = 23706288043200. Its totient is φ = 6192133438464.

The previous prime is 12513804732901. The next prime is 12513804732959. The reversal of 12513804732952 is 25923740831521.

It is a self number, because there is not a number n which added to its sum of digits gives 12513804732952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513804732959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18476818 + ... + 19142110.

It is an arithmetic number, because the mean of its divisors is an integer number (740821501350).

Almost surely, 212513804732952 is an apocalyptic number.

It is an amenable number.

12513804732952 is a deficient number, since it is larger than the sum of its proper divisors (11192483310248).

12513804732952 is a wasteful number, since it uses less digits than its factorization.

12513804732952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689635 (or 689631 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 12513804732952 in words is "twelve trillion, five hundred thirteen billion, eight hundred four million, seven hundred thirty-two thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 97 194 388 776 24239 48478 96956 193912 665293 1330586 2351183 2661172 4702366 5322344 9404732 18809464 64533421 129066842 258133684 516267368 16126037027 32252074054 64504148108 129008296216 1564225591619 3128451183238 6256902366476 12513804732952