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2040420220423 = 131956314672843
BaseRepresentation
bin11101101100010010100…
…001011011111000000111
321020001200101121210111221
4131230102201123320013
5231412240034023143
64201204530341211
7300262341465214
oct35542241337007
97201611553457
102040420220423
11717379025732
1228b54472a807
1311a5456b7a70
1470a84ba6b0b
153812181e2ed
hex1db1285be07

2040420220423 has 16 divisors (see below), whose sum is σ = 2317135524480. Its totient is φ = 1781165636064.

The previous prime is 2040420220417. The next prime is 2040420220439. The reversal of 2040420220423 is 3240220240402.

It is a cyclic number.

It is not a de Polignac number, because 2040420220423 - 213 = 2040420212231 is a prime.

It is a super-2 number, since 2×20404202204232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040420220493) 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, 7197361 + ... + 7475482.

It is an arithmetic number, because the mean of its divisors is an integer number (144820970280).

Almost surely, 22040420220423 is an apocalyptic number.

2040420220423 is a deficient number, since it is larger than the sum of its proper divisors (276715304057).

2040420220423 is a wasteful number, since it uses less digits than its factorization.

2040420220423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673438.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 2040420220423 its reverse (3240220240402), we get a palindrome (5280640460825).

The spelling of 2040420220423 in words is "two trillion, forty billion, four hundred twenty million, two hundred twenty thousand, four hundred twenty-three".

Divisors: 1 13 19 247 563 7319 10697 139061 14672843 190746959 278784017 3624192221 8260810609 107390537917 156955401571 2040420220423