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2140521037554 = 231935197355679
BaseRepresentation
bin11111001001100000111…
…111101111111011110010
321120122001120222011212110
4133021200333233323302
5240032241341200204
64315201454310150
7310435051421214
oct37114077577362
97518046864773
102140521037554
11755876360179
122a6a201b8356
13126b09065bc3
147585d38c5b4
153aa2e820889
hex1f260fefef2

2140521037554 has 32 divisors (see below), whose sum is σ = 4304063761920. Its totient is φ = 709671508992.

The previous prime is 2140521037507. The next prime is 2140521037579. The reversal of 2140521037554 is 4557301250412.

It is a super-2 number, since 2×21405210375542 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5840287 + ... + 6195965.

It is an arithmetic number, because the mean of its divisors is an integer number (134501992560).

Almost surely, 22140521037554 is an apocalyptic number.

2140521037554 is an abundant number, since it is smaller than the sum of its proper divisors (2163542724366).

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

2140521037554 is a wasteful number, since it uses less digits than its factorization.

2140521037554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361074.

The product of its (nonzero) digits is 168000, while the sum is 39.

Adding to 2140521037554 its reverse (4557301250412), we get a palindrome (6697822287966).

The spelling of 2140521037554 in words is "two trillion, one hundred forty billion, five hundred twenty-one million, thirty-seven thousand, five hundred fifty-four".

Divisors: 1 2 3 6 193 386 579 1158 5197 10394 15591 31182 355679 711358 1003021 1067037 2006042 2134074 3009063 6018126 68646047 137292094 205938141 411876282 1848463763 3696927526 5545391289 11090782578 356753506259 713507012518 1070260518777 2140521037554