Search a number
-
+
29790078372 = 2233275834059
BaseRepresentation
bin11011101111101000…
…001000010110100100
32211220010021210001000
4123233220020112210
5442002230001442
621404012433300
72103140326305
oct335750102644
984803253030
1029790078372
11116a77a488a
125934778830
132a69a45b12
1416286027ac
15b954aed4c
hex6efa085a4

29790078372 has 24 divisors (see below), whose sum is σ = 77233536800. Its totient is φ = 9930026088.

The previous prime is 29790078289. The next prime is 29790078389. The reversal of 29790078372 is 27387009792.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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, 137916922 + ... + 137917137.

Almost surely, 229790078372 is an apocalyptic number.

It is an amenable number.

29790078372 is an abundant number, since it is smaller than the sum of its proper divisors (47443458428).

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

29790078372 is a wasteful number, since it uses less digits than its factorization.

29790078372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275834072 (or 275834064 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 29790078372 in words is "twenty-nine billion, seven hundred ninety million, seventy-eight thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 275834059 551668118 827502177 1103336236 1655004354 2482506531 3310008708 4965013062 7447519593 9930026124 14895039186 29790078372