Base | Representation |
---|---|
bin | 111001011000010000… |
… | …001010100111101000 |
3 | 12220000201102011112120 |
4 | 321120100022213220 |
5 | 2002134201044302 |
6 | 44145303511240 |
7 | 4310520563214 |
oct | 713020124750 |
9 | 186021364476 |
10 | 61610174952 |
11 | 24146379367 |
12 | bb35158520 |
13 | 5a6b216331 |
14 | 2da6675944 |
15 | 1908cb19bc |
hex | e5840a9e8 |
61610174952 has 32 divisors (see below), whose sum is σ = 154038024000. Its totient is φ = 20535046784.
The previous prime is 61610174947. The next prime is 61610174959. The reversal of 61610174952 is 25947101616.
It is not an unprimeable number, because it can be changed into a prime (61610174959) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214813 + ... + 411539.
It is an arithmetic number, because the mean of its divisors is an integer number (4813688250).
Almost surely, 261610174952 is an apocalyptic number.
It is an amenable number.
61610174952 is an abundant number, since it is smaller than the sum of its proper divisors (92427849048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61610174952 is a wasteful number, since it uses less digits than its factorization.
61610174952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209785 (or 209781 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The spelling of 61610174952 in words is "sixty-one billion, six hundred ten million, one hundred seventy-four thousand, nine hundred fifty-two".
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