Base | Representation |
---|---|
bin | 10101011101100111… |
… | …011000011111000110 |
3 | 2012111002001201120120 |
4 | 111131213120133012 |
5 | 334144113111403 |
6 | 14330435442410 |
7 | 1444042010013 |
oct | 253547303706 |
9 | 65432051516 |
10 | 23045441478 |
11 | 9856607304 |
12 | 4571a56406 |
13 | 223360c707 |
14 | 118895a70a |
15 | 8ed2d8e53 |
hex | 55d9d87c6 |
23045441478 has 32 divisors (see below), whose sum is σ = 47730788352. Its totient is φ = 7410091200.
The previous prime is 23045441431. The next prime is 23045441479. The reversal of 23045441478 is 87414454032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23045441479) 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, 141351 + ... + 257042.
It is an arithmetic number, because the mean of its divisors is an integer number (1491587136).
Almost surely, 223045441478 is an apocalyptic number.
23045441478 is an abundant number, since it is smaller than the sum of its proper divisors (24685346874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23045441478 is a wasteful number, since it uses less digits than its factorization.
23045441478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398740.
The product of its (nonzero) digits is 430080, while the sum is 42.
The spelling of 23045441478 in words is "twenty-three billion, forty-five million, four hundred forty-one thousand, four hundred seventy-eight".
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