Base | Representation |
---|---|
bin | 1001101000110100101… |
… | …00001001010100111010 |
3 | 1011122202200121201001000 |
4 | 10310122110021110322 |
5 | 20411200404023430 |
6 | 412044030505430 |
7 | 32632206206550 |
oct | 4643224112472 |
9 | 1148680551030 |
10 | 331153970490 |
11 | 118494868452 |
12 | 5421a965276 |
13 | 252c62c0085 |
14 | 12056937bd0 |
15 | 893277ee60 |
hex | 4d1a50953a |
331153970490 has 128 divisors (see below), whose sum is σ = 1009654456320. Its totient is φ = 75660588864.
The previous prime is 331153970437. The next prime is 331153970501. The reversal of 331153970490 is 94079351133.
331153970490 is a `hidden beast` number, since 3 + 3 + 1 + 1 + 539 + 70 + 49 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4627119 + ... + 4698141.
It is an arithmetic number, because the mean of its divisors is an integer number (7887925440).
Almost surely, 2331153970490 is an apocalyptic number.
331153970490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 331153970490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504827228160).
331153970490 is an abundant number, since it is smaller than the sum of its proper divisors (678500485830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331153970490 is a wasteful number, since it uses less digits than its factorization.
331153970490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73513 (or 73507 counting only the distinct ones).
The product of its (nonzero) digits is 306180, while the sum is 45.
The spelling of 331153970490 in words is "three hundred thirty-one billion, one hundred fifty-three million, nine hundred seventy thousand, four hundred ninety".
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