Base | Representation |
---|---|
bin | 1110101010001011… |
… | …01111111000100000 |
3 | 202022110211111102220 |
4 | 13111011233320200 |
5 | 112104211134102 |
6 | 3340533511040 |
7 | 366012035040 |
oct | 72505577040 |
9 | 22273744386 |
10 | 7870021152 |
11 | 3379470414 |
12 | 16377a2480 |
13 | 985634166 |
14 | 549311720 |
15 | 310dc31bc |
hex | 1d516fe20 |
7870021152 has 48 divisors (see below), whose sum is σ = 23610065472. Its totient is φ = 2248577280.
The previous prime is 7870021129. The next prime is 7870021153. The reversal of 7870021152 is 2511200787.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (7870021153) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5854999 + ... + 5856342.
It is an arithmetic number, because the mean of its divisors is an integer number (491876364).
Almost surely, 27870021152 is an apocalyptic number.
It is an amenable number.
7870021152 is an abundant number, since it is smaller than the sum of its proper divisors (15740044320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7870021152 is a wasteful number, since it uses less digits than its factorization.
7870021152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11711361 (or 11711353 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 33.
The square root of 7870021152 is about 88713.1396806584. The cubic root of 7870021152 is about 1989.1092325708.
The spelling of 7870021152 in words is "seven billion, eight hundred seventy million, twenty-one thousand, one hundred fifty-two".
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