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1132000021 = 10119756893
BaseRepresentation
bin100001101111000…
…1111001100010101
32220220001120002201
41003132033030111
54304243000041
6304154404501
740023561415
oct10336171425
92826046081
101132000021
11530a91409
12277130731
131506a60c9
14aa4ac645
15695a7631
hex4378f315

1132000021 has 8 divisors (see below), whose sum is σ = 1149031224. Its totient is φ = 1115083200.

The previous prime is 1132000013. The next prime is 1132000087. The reversal of 1132000021 is 1200002311.

It can be written as a sum of positive squares in 4 ways, for example, as 591948900 + 540051121 = 24330^2 + 23239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1132000021 - 23 = 1132000013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131999971 and 1132000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132000421) 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, 8550 + ... + 48343.

It is an arithmetic number, because the mean of its divisors is an integer number (143628903).

Almost surely, 21132000021 is an apocalyptic number.

It is an amenable number.

1132000021 is a deficient number, since it is larger than the sum of its proper divisors (17031203).

1132000021 is a wasteful number, since it uses less digits than its factorization.

1132000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57191.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1132000021 is about 33645.2079946015. The cubic root of 1132000021 is about 1042.1945833023.

Adding to 1132000021 its reverse (1200002311), we get a palindrome (2332002332).

The spelling of 1132000021 in words is "one billion, one hundred thirty-two million, twenty-one", and thus it is an aban number.

Divisors: 1 101 197 19897 56893 5746193 11207921 1132000021