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2131012002 = 23750738381
BaseRepresentation
bin111111100000100…
…1010100110100010
312111111212121220110
41333001022212202
513331014341002
6551242552150
7103544205660
oct17701124642
95444777813
102131012002
119a399a949
124b5808656
1327c658662
1416303dc30
15c7140e6c
hex7f04a9a2

2131012002 has 16 divisors (see below), whose sum is σ = 4870884672. Its totient is φ = 608860560.

The previous prime is 2131012001. The next prime is 2131012019. The reversal of 2131012002 is 2002101312.

It is not an unprimeable number, because it can be changed into a prime (2131012001) 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, 25369149 + ... + 25369232.

It is an arithmetic number, because the mean of its divisors is an integer number (304430292).

Almost surely, 22131012002 is an apocalyptic number.

2131012002 is an abundant number, since it is smaller than the sum of its proper divisors (2739872670).

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

2131012002 is a wasteful number, since it uses less digits than its factorization.

2131012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50738393.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2131012002 is about 46162.8855467247. The cubic root of 2131012002 is about 1286.8520890240.

Adding to 2131012002 its reverse (2002101312), we get a palindrome (4133113314).

The spelling of 2131012002 in words is "two billion, one hundred thirty-one million, twelve thousand, two".

Divisors: 1 2 3 6 7 14 21 42 50738381 101476762 152215143 304430286 355168667 710337334 1065506001 2131012002