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20120512006 = 272533873799
BaseRepresentation
bin10010101111010001…
…101010011000000110
31220221020021220122101
4102233101222120012
5312201322341011
613124312222314
71311414346600
oct225721523006
956836256571
1020120512006
118595560521
123a9639a99a
131b8865090a
14d8c2d6170
157cb6232c1
hex4af46a606

20120512006 has 24 divisors (see below), whose sum is σ = 35770669200. Its totient is φ = 8460374832.

The previous prime is 20120511979. The next prime is 20120512007. The reversal of 20120512006 is 60021502102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120512007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1931706 + ... + 1942093.

It is an arithmetic number, because the mean of its divisors is an integer number (1490444550).

Almost surely, 220120512006 is an apocalyptic number.

20120512006 is a deficient number, since it is larger than the sum of its proper divisors (15650157194).

20120512006 is a wasteful number, since it uses less digits than its factorization.

20120512006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873868 (or 3873861 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 20120512006 in words is "twenty billion, one hundred twenty million, five hundred twelve thousand, six".

Divisors: 1 2 7 14 49 53 98 106 371 742 2597 5194 3873799 7747598 27116593 54233186 189816151 205311347 379632302 410622694 1437179429 2874358858 10060256003 20120512006