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2131103121002 = 219151491756419
BaseRepresentation
bin11111000000101111101…
…001001111111001101010
321112201202020111110010022
4133000233221033321222
5234403444344333002
64311003143520442
7306652502434442
oct37005751177152
97481666443108
102131103121002
11751883177069
122a5032159122
13125c67b4030b
147520866b122
153a67cae1ba2
hex1f02fa4fe6a

2131103121002 has 32 divisors (see below), whose sum is σ = 3394086796800. Its totient is φ = 1000741014000.

The previous prime is 2131103120999. The next prime is 2131103121029. The reversal of 2131103121002 is 2001213011312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439149 + ... + 3195567.

It is an arithmetic number, because the mean of its divisors is an integer number (106065212400).

Almost surely, 22131103121002 is an apocalyptic number.

2131103121002 is a deficient number, since it is larger than the sum of its proper divisors (1262983675798).

2131103121002 is a wasteful number, since it uses less digits than its factorization.

2131103121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757082.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2131103121002 its reverse (2001213011312), we get a palindrome (4132316132314).

The spelling of 2131103121002 in words is "two trillion, one hundred thirty-one billion, one hundred three million, one hundred twenty-one thousand, two".

Divisors: 1 2 19 38 151 302 491 982 2869 5738 9329 18658 74141 148282 756419 1408679 1512838 2817358 14371961 28743922 114219269 228438538 371401729 742803458 2170166111 4340332222 7056632851 14113265702 56081661079 112163322158 1065551560501 2131103121002