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20125532522730 = 2351187565165193
BaseRepresentation
bin1001001001101110101110…
…01101111000100011101010
32122020222111222001101120110
410210313113031320203222
510114214042311211410
6110445313023435150
74145010312612105
oct444672715704352
978228458041513
1020125532522730
11645a21048a398
122310568155ab6
13b2caa275b09b
144d811c28573c
1524d7a08d2720
hex124dd73788ea

20125532522730 has 32 divisors (see below), whose sum is σ = 48341970033984. Its totient is φ = 5362287341696.

The previous prime is 20125532522729. The next prime is 20125532522737. The reversal of 20125532522730 is 3722523552102.

It is not an unprimeable number, because it can be changed into a prime (20125532522737) 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, 282546987 + ... + 282618206.

It is an arithmetic number, because the mean of its divisors is an integer number (1510686563562).

Almost surely, 220125532522730 is an apocalyptic number.

20125532522730 is an abundant number, since it is smaller than the sum of its proper divisors (28216437511254).

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

20125532522730 is a wasteful number, since it uses less digits than its factorization.

20125532522730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565166390.

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 20125532522730 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-two million, five hundred twenty-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1187 2374 3561 5935 7122 11870 17805 35610 565165193 1130330386 1695495579 2825825965 3390991158 5651651930 8477477895 16954955790 670851084091 1341702168182 2012553252273 3354255420455 4025106504546 6708510840910 10062766261365 20125532522730