Base | Representation |
---|---|
bin | 1001010010100111010101… |
… | …0010100111000000111010 |
3 | 1100011120201210102011020020 |
4 | 2110221311102213000322 |
5 | 2314332114402330204 |
6 | 33420520123311310 |
7 | 2103016064450460 |
oct | 224516522470072 |
9 | 40146653364206 |
10 | 10215400042554 |
11 | 3289366011113 |
12 | 118b99097b536 |
13 | 591400b4b4c5 |
14 | 2745dc60a830 |
15 | 12aad539cbd9 |
hex | 94a754a703a |
10215400042554 has 64 divisors (see below), whose sum is σ = 24086195030016. Its totient is φ = 2827292088384.
The previous prime is 10215400042553. The next prime is 10215400042567. The reversal of 10215400042554 is 45524000451201.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10215400042553) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14126574 + ... + 14832089.
It is an arithmetic number, because the mean of its divisors is an integer number (376346797344).
Almost surely, 210215400042554 is an apocalyptic number.
10215400042554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
10215400042554 is an abundant number, since it is smaller than the sum of its proper divisors (13870794987462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10215400042554 is a wasteful number, since it uses less digits than its factorization.
10215400042554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28958939.
The product of its (nonzero) digits is 32000, while the sum is 33.
Adding to 10215400042554 its reverse (45524000451201), we get a palindrome (55739400493755).
The spelling of 10215400042554 in words is "ten trillion, two hundred fifteen billion, four hundred million, forty-two thousand, five hundred fifty-four".
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