Base | Representation |
---|---|
bin | 11111010011101011010… |
… | …110010001001001010010 |
3 | 21121200020000010011110020 |
4 | 133103223112101021102 |
5 | 240222113111144104 |
6 | 4324204305044310 |
7 | 311302331244555 |
oct | 37235326211122 |
9 | 7550200104406 |
10 | 2151432131154 |
11 | 75a4653942a9 |
12 | 2a8b66326696 |
13 | 127b577322c7 |
14 | 761b651869c |
15 | 3ae6c69c2d9 |
hex | 1f4eb591252 |
2151432131154 has 16 divisors (see below), whose sum is σ = 4306382563392. Its totient is φ = 716557660208.
The previous prime is 2151432131089. The next prime is 2151432131203. The reversal of 2151432131154 is 4511312341512.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146587929 + ... + 146602604.
It is an arithmetic number, because the mean of its divisors is an integer number (269148910212).
Almost surely, 22151432131154 is an apocalyptic number.
2151432131154 is an abundant number, since it is smaller than the sum of its proper divisors (2154950432238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2151432131154 is a wasteful number, since it uses less digits than its factorization.
2151432131154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293191761.
The product of its digits is 14400, while the sum is 33.
Adding to 2151432131154 its reverse (4511312341512), we get a palindrome (6662744472666).
The spelling of 2151432131154 in words is "two trillion, one hundred fifty-one billion, four hundred thirty-two million, one hundred thirty-one thousand, one hundred fifty-four".
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