Base | Representation |
---|---|
bin | 1001011000000010001… |
… | …1000101011111010000 |
3 | 120101202021111201022110 |
4 | 2112000203011133100 |
5 | 10114333020033440 |
6 | 201554511105320 |
7 | 14431322262156 |
oct | 2260043053720 |
9 | 511667451273 |
10 | 161070471120 |
11 | 62345099a39 |
12 | 27272212240 |
13 | 1225bc7bba0 |
14 | 7b1db673d6 |
15 | 42ca93e080 |
hex | 25808c57d0 |
161070471120 has 80 divisors (see below), whose sum is σ = 537727583232. Its totient is φ = 39648115200.
The previous prime is 161070471109. The next prime is 161070471127. The reversal of 161070471120 is 21174070161.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161070471127) 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, 25809456 + ... + 25815695.
Almost surely, 2161070471120 is an apocalyptic number.
161070471120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
161070471120 is an abundant number, since it is smaller than the sum of its proper divisors (376657112112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161070471120 is a wasteful number, since it uses less digits than its factorization.
161070471120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51625180 (or 51625174 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 30.
The spelling of 161070471120 in words is "one hundred sixty-one billion, seventy million, four hundred seventy-one thousand, one hundred twenty".
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