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20130105152415 = 351782995225077
BaseRepresentation
bin1001001001110111001111…
…10001000101001110011111
32122021102022122021001021110
410210323213301011032133
510114302423404334130
6110451350451033103
74145231525411016
oct444734761051637
978242278231243
1020130105152415
116461147627795
12231142359b793
13b30350bb431b
144d8433699a7d
1524d96c06aab0
hex124ee7c4539f

20130105152415 has 32 divisors (see below), whose sum is σ = 34143903967680. Its totient is φ = 10092334454784.

The previous prime is 20130105152387. The next prime is 20130105152419. The reversal of 20130105152415 is 51425150103102.

It is not a de Polignac number, because 20130105152415 - 210 = 20130105151391 is a prime.

It is a super-2 number, since 2×201301051524152 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130105152419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47401144 + ... + 47823933.

It is an arithmetic number, because the mean of its divisors is an integer number (1066996998990).

Almost surely, 220130105152415 is an apocalyptic number.

20130105152415 is a deficient number, since it is larger than the sum of its proper divisors (14013798815265).

20130105152415 is a wasteful number, since it uses less digits than its factorization.

20130105152415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95225931.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 20130105152415 its reverse (51425150103102), we get a palindrome (71555255255517).

The spelling of 20130105152415 in words is "twenty trillion, one hundred thirty billion, one hundred five million, one hundred fifty-two thousand, four hundred fifteen".

Divisors: 1 3 5 15 17 51 85 255 829 2487 4145 12435 14093 42279 70465 211395 95225077 285675231 476125385 1428376155 1618826309 4856478927 8094131545 24282394635 78941588833 236824766499 394707944165 1184123832495 1342007010161 4026021030483 6710035050805 20130105152415