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1002150013 = 29127727061
BaseRepresentation
bin111011101110111…
…001100001111101
32120211201111101011
4323232321201331
54023022300023
6243235315221
733556064104
oct7356714175
92524644334
101002150013
11474762157
1223b74bb11
1312c810997
149714b03b
155cea850d
hex3bbb987d

1002150013 has 8 divisors (see below), whose sum is σ = 1037557080. Its totient is φ = 966799680.

The previous prime is 1002150001. The next prime is 1002150031. The reversal of 1002150013 is 3100512001.

It can be written as a sum of positive squares in 4 ways, for example, as 70862724 + 931287289 = 8418^2 + 30517^2 .

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

It is not a de Polignac number, because 1002150013 - 29 = 1002149501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002149975 and 1002150002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002150913) 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, 23503 + ... + 50563.

It is an arithmetic number, because the mean of its divisors is an integer number (129694635).

Almost surely, 21002150013 is an apocalyptic number.

It is an amenable number.

1002150013 is a deficient number, since it is larger than the sum of its proper divisors (35407067).

1002150013 is a wasteful number, since it uses less digits than its factorization.

1002150013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28367.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1002150013 is about 31656.7530394385. The cubic root of 1002150013 is about 1000.7161579953.

Adding to 1002150013 its reverse (3100512001), we get a palindrome (4102662014).

The spelling of 1002150013 in words is "one billion, two million, one hundred fifty thousand, thirteen".

Divisors: 1 29 1277 27061 37033 784769 34556897 1002150013