Base | Representation |
---|---|
bin | 1101110011100110… |
… | …10011011011111101 |
3 | 201010120100211112212 |
4 | 12321303103123331 |
5 | 110140010414323 |
6 | 3223301110205 |
7 | 351452446034 |
oct | 67163233375 |
9 | 21116324485 |
10 | 7412201213 |
11 | 3163aa352a |
12 | 152a3b8365 |
13 | 911829ca1 |
14 | 5045b971b |
15 | 2d5adcb78 |
hex | 1b9cd36fd |
7412201213 has 4 divisors (see below), whose sum is σ = 7477796028. Its totient is φ = 7346606400.
The previous prime is 7412201179. The next prime is 7412201227. The reversal of 7412201213 is 3121022147.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4170834724 + 3241366489 = 64582^2 + 56933^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7412201213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7412201243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32797238 + ... + 32797463.
It is an arithmetic number, because the mean of its divisors is an integer number (1869449007).
Almost surely, 27412201213 is an apocalyptic number.
It is an amenable number.
7412201213 is a deficient number, since it is larger than the sum of its proper divisors (65594815).
7412201213 is a wasteful number, since it uses less digits than its factorization.
7412201213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65594814.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 7412201213 is about 86094.1415718863. The cubic root of 7412201213 is about 1949.7655833047.
The spelling of 7412201213 in words is "seven billion, four hundred twelve million, two hundred one thousand, two hundred thirteen".
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