Search a number
-
+
2131200232032 = 25385909258413
BaseRepresentation
bin11111000000110101011…
…011101100101001100000
321112202000000020012102010
4133000311123230221200
5234404144224411112
64311020533152520
7306655062035124
oct37006533545140
97482000205363
102131200232032
11751922a75013
122a505a78b740
13125c81cb1b71
1475217509584
153a6863c563c
hex1f0356eca60

2131200232032 has 48 divisors (see below), whose sum is σ = 5594487378480. Its totient is φ = 710389059072.

The previous prime is 2131200232009. The next prime is 2131200232037. The reversal of 2131200232032 is 2302320021312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131200232037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8118058 + ... + 8376470.

It is an arithmetic number, because the mean of its divisors is an integer number (116551820385).

Almost surely, 22131200232032 is an apocalyptic number.

It is an amenable number.

2131200232032 is an abundant number, since it is smaller than the sum of its proper divisors (3463287146448).

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

2131200232032 is a wasteful number, since it uses less digits than its factorization.

2131200232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344335 (or 344327 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2131200232032 its reverse (2302320021312), we get a palindrome (4433520253344).

The spelling of 2131200232032 in words is "two trillion, one hundred thirty-one billion, two hundred million, two hundred thirty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 85909 171818 257727 258413 343636 515454 516826 687272 775239 1030908 1033652 1374544 1550478 2061816 2067304 2749088 3100956 4123632 4134608 6201912 8247264 8269216 12403824 24807648 22200002417 44400004834 66600007251 88800009668 133200014502 177600019336 266400029004 355200038672 532800058008 710400077344 1065600116016 2131200232032