Base | Representation |
---|---|
bin | 11111010011010011100… |
… | …101000101011100110001 |
3 | 21121122012012202121022122 |
4 | 133103103211011130301 |
5 | 240220304020042400 |
6 | 4324100542044025 |
7 | 311256416621126 |
oct | 37232345053461 |
9 | 7548165677278 |
10 | 2151033362225 |
11 | 75a28028a300 |
12 | 2a8a74879615 |
13 | 127ac2c32167 |
14 | 7617959474d |
15 | 3ae4767d685 |
hex | 1f4d3945731 |
2151033362225 has 72 divisors (see below), whose sum is σ = 3027646218240. Its totient is φ = 1513290240000.
The previous prime is 2151033362213. The next prime is 2151033362243. The reversal of 2151033362225 is 5222633301512.
It is not a de Polignac number, because 2151033362225 - 222 = 2151029167921 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 420203216 + ... + 420208334.
It is an arithmetic number, because the mean of its divisors is an integer number (42050641920).
Almost surely, 22151033362225 is an apocalyptic number.
2151033362225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2151033362225 is a deficient number, since it is larger than the sum of its proper divisors (876612856015).
2151033362225 is a wasteful number, since it uses less digits than its factorization.
2151033362225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9663 (or 9647 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 35.
Adding to 2151033362225 its reverse (5222633301512), we get a palindrome (7373666663737).
The spelling of 2151033362225 in words is "two trillion, one hundred fifty-one billion, thirty-three million, three hundred sixty-two thousand, two hundred twenty-five".
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