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20014235260523 = 721056673865481
BaseRepresentation
bin1001000110011111011010…
…11000100001011001101011
32121212100020110121122222222
410203033231120201121223
510110403123211314043
6110322225053104255
74133660256523100
oct443175530413153
977770213548888
1020014235260523
116416a98041a59
1222b2a86a8808b
13b2244657440a
144d29a0a94aa7
1524a93998ad68
hex1233ed62166b

20014235260523 has 12 divisors (see below), whose sum is σ = 23282091862632. Its totient is φ = 17154892006560.

The previous prime is 20014235260403. The next prime is 20014235260561. The reversal of 20014235260523 is 32506253241002.

It is not a de Polignac number, because 20014235260523 - 218 = 20014234998379 is a prime.

It is a super-2 number, since 2×200142352605232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014235265523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3244943 + ... + 7110423.

It is an arithmetic number, because the mean of its divisors is an integer number (1940174321886).

Almost surely, 220014235260523 is an apocalyptic number.

20014235260523 is a deficient number, since it is larger than the sum of its proper divisors (3267856602109).

20014235260523 is a wasteful number, since it uses less digits than its factorization.

20014235260523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971162 (or 3971155 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 20014235260523 in words is "twenty trillion, fourteen billion, two hundred thirty-five million, two hundred sixty thousand, five hundred twenty-three".

Divisors: 1 7 49 105667 739669 3865481 5177683 27058367 189408569 408453780827 2859176465789 20014235260523