Base | Representation |
---|---|
bin | 111001000000100010… |
… | …101011000000001010 |
3 | 12211222222212201212000 |
4 | 321000202223000022 |
5 | 2000330331414002 |
6 | 44042013331430 |
7 | 4264620404604 |
oct | 710042530012 |
9 | 184888781760 |
10 | 61212373002 |
11 | 23a61874920 |
12 | ba43a96b76 |
13 | 5a06994371 |
14 | 2d698c4174 |
15 | 18d3dd461c |
hex | e408ab00a |
61212373002 has 64 divisors (see below), whose sum is σ = 151193589120. Its totient is φ = 18199209600.
The previous prime is 61212372989. The next prime is 61212373021. The reversal of 61212373002 is 20037321216.
61212373002 is a `hidden beast` number, since 6 + 121 + 237 + 300 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 940699 + ... + 1003662.
It is an arithmetic number, because the mean of its divisors is an integer number (2362399830).
Almost surely, 261212373002 is an apocalyptic number.
61212373002 is an abundant number, since it is smaller than the sum of its proper divisors (89981216118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61212373002 is a wasteful number, since it uses less digits than its factorization.
61212373002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1944436 (or 1944430 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
Adding to 61212373002 its reverse (20037321216), we get a palindrome (81249694218).
The spelling of 61212373002 in words is "sixty-one billion, two hundred twelve million, three hundred seventy-three thousand, two".
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