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2887431421952 = 2167114091399
BaseRepresentation
bin101010000001001000010…
…100110000000000000000
3101020000222001122000101202
4222001020110300000000
5334301424421000302
610050245004120332
7415416146062640
oct52011024600000
911200861560352
102887431421952
11a136098429a0
123a772ab360a8
1317c38c14233c
149da76930520
1550196dc6202
hex2a048530000

2887431421952 has 272 divisors, whose sum is σ = 7222536384000. Its totient is φ = 1121420574720.

The previous prime is 2887431421951. The next prime is 2887431421967. The reversal of 2887431421952 is 2591241347882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (2887431421951) 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, 2063924549 + ... + 2063925947.

Almost surely, 22887431421952 is an apocalyptic number.

2887431421952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2887431421952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3611268192000).

2887431421952 is an abundant number, since it is smaller than the sum of its proper divisors (4335104962048).

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

2887431421952 is an equidigital number, since it uses as much as digits as its factorization.

2887431421952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1828 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The spelling of 2887431421952 in words is "two trillion, eight hundred eighty-seven billion, four hundred thirty-one million, four hundred twenty-one thousand, nine hundred fifty-two".