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2031012002 = 21015506001
BaseRepresentation
bin111100100001110…
…1100100010100010
312020112201002200202
41321003230202202
513124414341002
6533311345202
7101221213535
oct17103544242
95215632622
102031012002
119524a9418
12488222202
13264a14b66
14153a4ca1c
15bd48b502
hex790ec8a2

2031012002 has 4 divisors (see below), whose sum is σ = 3046518006. Its totient is φ = 1015506000.

The previous prime is 2031012001. The next prime is 2031012007. The reversal of 2031012002 is 2002101302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1120843441 + 910168561 = 33479^2 + 30169^2 .

It is not an unprimeable number, because it can be changed into a prime (2031012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507752999 + ... + 507753002.

Almost surely, 22031012002 is an apocalyptic number.

2031012002 is a deficient number, since it is larger than the sum of its proper divisors (1015506004).

2031012002 is a wasteful number, since it uses less digits than its factorization.

2031012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015506003.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2031012002 is about 45066.7505152080. The cubic root of 2031012002 is about 1266.3997902973.

Adding to 2031012002 its reverse (2002101302), we get a palindrome (4033113304).

The spelling of 2031012002 in words is "two billion, thirty-one million, twelve thousand, two".

Divisors: 1 2 1015506001 2031012002