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20120142010 = 252012014201
BaseRepresentation
bin10010101111010000…
…010000000010111010
31220221012121010002211
4102233100100002322
5312201224021020
613124300245334
71311411246103
oct225720200272
956835533084
1020120142010
118595328541
123a9624084a
131b88551397
14d8c23b3aa
157cb59d85a
hex4af4100ba

20120142010 has 8 divisors (see below), whose sum is σ = 36216255636. Its totient is φ = 8048056800.

The previous prime is 20120141999. The next prime is 20120142037. The reversal of 20120142010 is 1024102102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18919727401 + 1200414609 = 137549^2 + 34647^2 .

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

It is a super-2 number, since 2×201201420102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006007091 + ... + 1006007110.

Almost surely, 220120142010 is an apocalyptic number.

20120142010 is a deficient number, since it is larger than the sum of its proper divisors (16096113626).

20120142010 is a wasteful number, since it uses less digits than its factorization.

20120142010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012014208.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120142010 its reverse (1024102102), we get a palindrome (21144244112).

The spelling of 20120142010 in words is "twenty billion, one hundred twenty million, one hundred forty-two thousand, ten".

Divisors: 1 2 5 10 2012014201 4024028402 10060071005 20120142010