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3133021000 = 23536151361
BaseRepresentation
bin1011101010111110…
…0001101101001000
322002100022221211211
42322233201231020
522404023133000
61234515302504
7140432145004
oct27257415510
98070287754
103133021000
11136856605a
127352aaa34
133ac11a0a5
1421a151704
151350bc7ba
hexbabe1b48

3133021000 has 64 divisors (see below), whose sum is σ = 7451598960. Its totient is φ = 1232640000.

The previous prime is 3133020953. The next prime is 3133021007. The reversal of 3133021000 is 1203313.

It can be written as a sum of positive squares in 8 ways, for example, as 516289284 + 2616731716 = 22722^2 + 51154^2 .

It is not an unprimeable number, because it can be changed into a prime (3133021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35320 + ... + 86680.

Almost surely, 23133021000 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 3133021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725799480).

3133021000 is an abundant number, since it is smaller than the sum of its proper divisors (4318577960).

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

3133021000 is a wasteful number, since it uses less digits than its factorization.

3133021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51443 (or 51429 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3133021000 is about 55973.3954660605. The cubic root of 3133021000 is about 1463.2586562325.

Adding to 3133021000 its reverse (1203313), we get a palindrome (3134224313).

The spelling of 3133021000 in words is "three billion, one hundred thirty-three million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 125 200 244 250 305 488 500 610 1000 1220 1525 2440 3050 6100 7625 12200 15250 30500 51361 61000 102722 205444 256805 410888 513610 1027220 1284025 2054440 2568050 3133021 5136100 6266042 6420125 10272200 12532084 12840250 15665105 25064168 25680500 31330210 51361000 62660420 78325525 125320840 156651050 313302100 391627625 626604200 783255250 1566510500 3133021000