| Base | Representation |
|---|---|
| bin | 10010000001101… |
| … | …11010101100000 |
| 3 | 101112112212001000 |
| 4 | 21000313111200 |
| 5 | 302203042400 |
| 6 | 23001112000 |
| 7 | 3514235205 |
| oct | 1100672540 |
| 9 | 345485030 |
| 10 | 151221600 |
| 11 | 783a7032 |
| 12 | 42788600 |
| 13 | 25438c4a |
| 14 | 16125cac |
| 15 | d421600 |
| hex | 9037560 |
151221600 has 144 divisors (see below), whose sum is σ = 546996240. Its totient is φ = 40320000.
The previous prime is 151221599. The next prime is 151221611. The reversal of 151221600 is 6122151.
It is a tau number, because it is divible by the number of its divisors (144).
It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18100 + ... + 25100.
It is an arithmetic number, because the mean of its divisors is an integer number (3798585).
Almost surely, 2151221600 is an apocalyptic number.
151221600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 151221600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273498120).
151221600 is an abundant number, since it is smaller than the sum of its proper divisors (395774640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151221600 is a wasteful number, since it uses less digits than its factorization.
151221600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7030 (or 7011 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 151221600 is about 12297.2191978512. The cubic root of 151221600 is about 532.7677685234.
Adding to 151221600 its reverse (6122151), we get a palindrome (157343751).
The spelling of 151221600 in words is "one hundred fifty-one million, two hundred twenty-one thousand, six hundred".
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