Search a number
-
+
7400471447148 = 2231347438919533
BaseRepresentation
bin110101110110000111001…
…1110001100011001101100
3222012110220120122100021120
41223230032132030121230
51432222131142302043
623423421334300540
71362444403254543
oct153541636143154
928173816570246
107400471447148
1123a358222498a
129b6316ab7750
13418b27832680
141b8282c7b15a
15cc7836c0983
hex6bb0e78c66c

7400471447148 has 24 divisors (see below), whose sum is σ = 18596056457328. Its totient is φ = 2277068137536.

The previous prime is 7400471447143. The next prime is 7400471447177. The reversal of 7400471447148 is 8417441740047.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7400471447148.

It is not an unprimeable number, because it can be changed into a prime (7400471447141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23719459611 + ... + 23719459922.

It is an arithmetic number, because the mean of its divisors is an integer number (774835685722).

Almost surely, 27400471447148 is an apocalyptic number.

7400471447148 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7400471447148 is an abundant number, since it is smaller than the sum of its proper divisors (11195585010180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7400471447148 is a wasteful number, since it uses less digits than its factorization.

7400471447148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47438919553 (or 47438919551 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 51.

The spelling of 7400471447148 in words is "seven trillion, four hundred billion, four hundred seventy-one million, four hundred forty-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 47438919533 94877839066 142316758599 189755678132 284633517198 569267034396 616705953929 1233411907858 1850117861787 2466823815716 3700235723574 7400471447148