Base | Representation |
---|---|
bin | 100011010111001000… |
… | …010001000101111001 |
3 | 10122000010101101211101 |
4 | 203113020101011321 |
5 | 1110230031210334 |
6 | 25235343331401 |
7 | 2512623143215 |
oct | 432710210571 |
9 | 118003341741 |
10 | 37969006969 |
11 | 15114572a03 |
12 | 74378b0b61 |
13 | 377137623a |
14 | 1ba2965945 |
15 | ec3551214 |
hex | 8d7211179 |
37969006969 has 4 divisors (see below), whose sum is σ = 38612549520. Its totient is φ = 37325464420.
The previous prime is 37969006963. The next prime is 37969006973. The reversal of 37969006969 is 96960096973.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96960096973 = 229 ⋅423406537.
It is a cyclic number.
It is not a de Polignac number, because 37969006969 - 25 = 37969006937 is a prime.
It is a super-2 number, since 2×379690069692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 37969006969.
It is not an unprimeable number, because it can be changed into a prime (37969006963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321771187 + ... + 321771304.
It is an arithmetic number, because the mean of its divisors is an integer number (9653137380).
Almost surely, 237969006969 is an apocalyptic number.
It is an amenable number.
37969006969 is a deficient number, since it is larger than the sum of its proper divisors (643542551).
37969006969 is an equidigital number, since it uses as much as digits as its factorization.
37969006969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643542550.
The product of its (nonzero) digits is 29760696, while the sum is 64.
The spelling of 37969006969 in words is "thirty-seven billion, nine hundred sixty-nine million, six thousand, nine hundred sixty-nine".
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