Search a number
-
+
7421053156 = 2211473588517
BaseRepresentation
bin1101110100101010…
…00100100011100100
3201011012000120010121
412322111010203210
5110144242200111
63224214531324
7351620624326
oct67225044344
921135016117
107421053156
113168a9a090
121531366b44
1391360911a
14505841616
152d678a871
hex1ba5448e4

7421053156 has 24 divisors (see below), whose sum is σ = 14468904576. Its totient is φ = 3301434720.

The previous prime is 7421053151. The next prime is 7421053169. The reversal of 7421053156 is 6513501247.

It is not an unprimeable number, because it can be changed into a prime (7421053151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792191 + ... + 1796326.

It is an arithmetic number, because the mean of its divisors is an integer number (602871024).

Almost surely, 27421053156 is an apocalyptic number.

It is an amenable number.

7421053156 is a deficient number, since it is larger than the sum of its proper divisors (7047851420).

7421053156 is a wasteful number, since it uses less digits than its factorization.

7421053156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588579 (or 3588577 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 7421053156 is about 86145.5347420863. The cubic root of 7421053156 is about 1950.5414368522.

The spelling of 7421053156 in words is "seven billion, four hundred twenty-one million, fifty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 3588517 7177034 14354068 39473687 78947374 157894748 168660299 337320598 674641196 1855263289 3710526578 7421053156