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2031869952 = 21332731127
BaseRepresentation
bin111100100011011…
…1110000000000000
312020121022200120200
41321012332000000
513130124314302
6533342005200
7101231416050
oct17106760000
95217280520
102031869952
11952a34a72
12488576800
13264c55518
14153bd3560
15bd5aa81c
hex791be000

2031869952 has 336 divisors, whose sum is σ = 6978895872. Its totient is φ = 557383680.

The previous prime is 2031869929. The next prime is 2031869969. The reversal of 2031869952 is 2599681302.

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 2031869898 and 2031869907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15998913 + ... + 15999039.

Almost surely, 22031869952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031869952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3489447936).

2031869952 is an abundant number, since it is smaller than the sum of its proper divisors (4947025920).

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

2031869952 is a wasteful number, since it uses less digits than its factorization.

2031869952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2031869952 is about 45076.2681685163. The cubic root of 2031869952 is about 1266.5780847872.

The spelling of 2031869952 in words is "two billion, thirty-one million, eight hundred sixty-nine thousand, nine hundred fifty-two".