Base | Representation |
---|---|
bin | 1110010000111010111… |
… | …11111010101101100000 |
3 | 1201212002101110120000110 |
4 | 13020131133322231200 |
5 | 31012232010143302 |
6 | 1013054125451320 |
7 | 50260442163030 |
oct | 7103537725540 |
9 | 1655071416013 |
10 | 490121177952 |
11 | 17994a69a25a |
12 | 7aba4710b40 |
13 | 372ab5aa743 |
14 | 19a172058c0 |
15 | cb3870eb6c |
hex | 721d7fab60 |
490121177952 has 96 divisors (see below), whose sum is σ = 1506226143744. Its totient is φ = 136619136000.
The previous prime is 490121177933. The next prime is 490121177957. The reversal of 490121177952 is 259771121094.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490121177957) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8866924 + ... + 8922027.
It is an arithmetic number, because the mean of its divisors is an integer number (15689855664).
Almost surely, 2490121177952 is an apocalyptic number.
490121177952 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
490121177952 is an abundant number, since it is smaller than the sum of its proper divisors (1016104965792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490121177952 is a wasteful number, since it uses less digits than its factorization.
490121177952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17789012 (or 17789004 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 48.
The spelling of 490121177952 in words is "four hundred ninety billion, one hundred twenty-one million, one hundred seventy-seven thousand, nine hundred fifty-two".
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