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20121153014 = 256807177101
BaseRepresentation
bin10010101111010100…
…000110110111110110
31220221021111110221102
4102233110012313312
5312202003344024
613124334050102
71311422656454
oct225724066766
956837443842
1020121153014
118595959086
123a96649932
131b88816601
14d8c4219d4
157cb6ed1ae
hex4af506df6

20121153014 has 8 divisors (see below), whose sum is σ = 30182431248. Its totient is φ = 10060342600.

The previous prime is 20121153001. The next prime is 20121153049. The reversal of 20121153014 is 41035112102.

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

It is a super-2 number, since 2×201211530142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 25064 + ... + 202164.

It is an arithmetic number, because the mean of its divisors is an integer number (3772803906).

Almost surely, 220121153014 is an apocalyptic number.

20121153014 is a deficient number, since it is larger than the sum of its proper divisors (10061278234).

20121153014 is a wasteful number, since it uses less digits than its factorization.

20121153014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233910.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20121153014 its reverse (41035112102), we get a palindrome (61156265116).

The spelling of 20121153014 in words is "twenty billion, one hundred twenty-one million, one hundred fifty-three thousand, fourteen".

Divisors: 1 2 56807 113614 177101 354202 10060576507 20121153014