Search a number
-
+
2941286691 = 37229689957
BaseRepresentation
bin1010111101010000…
…0111100100100011
321120222112211211010
42233110013210203
522010432133231
61203505552003
7132613344600
oct25724074443
97528484733
102941286691
11127a309252
126a1045603
1337b498135
141dc8c16a7
15123347546
hexaf507923

2941286691 has 24 divisors (see below), whose sum is σ = 4719312720. Its totient is φ = 1622776512.

The previous prime is 2941286681. The next prime is 2941286693. The reversal of 2941286691 is 1966821492.

2941286691 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2941286691 - 215 = 2941253923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2941286691.

It is not an unprimeable number, because it can be changed into a prime (2941286693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340716 + ... + 349241.

It is an arithmetic number, because the mean of its divisors is an integer number (196638030).

Almost surely, 22941286691 is an apocalyptic number.

2941286691 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2941286691 is a deficient number, since it is larger than the sum of its proper divisors (1778026029).

2941286691 is a wasteful number, since it uses less digits than its factorization.

2941286691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690003 (or 689996 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 2941286691 is about 54233.6306271302. The cubic root of 2941286691 is about 1432.7787089014.

The spelling of 2941286691 in words is "two billion, nine hundred forty-one million, two hundred eighty-six thousand, six hundred ninety-one".

Divisors: 1 3 7 21 29 49 87 147 203 609 1421 4263 689957 2069871 4829699 14489097 20008753 33807893 60026259 101423679 140061271 420183813 980428897 2941286691