Search a number
-
+
30578793394 = 221117242727
BaseRepresentation
bin11100011110101000…
…110101101110110010
32220221002101122122111
4130132220311232302
51000111132342034
622014145355534
72131525312102
oct343650655662
986832348574
1030578793394
1111a71a28086
125b14938baa
132b642772b6
1416a1271202
15bde858364
hex71ea35bb2

30578793394 has 8 divisors (see below), whose sum is σ = 45889924608. Its totient is φ = 15282151860.

The previous prime is 30578793373. The next prime is 30578793403. The reversal of 30578793394 is 49339787503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617142 + ... + 3625585.

It is an arithmetic number, because the mean of its divisors is an integer number (5736240576).

Almost surely, 230578793394 is an apocalyptic number.

30578793394 is a deficient number, since it is larger than the sum of its proper divisors (15311131214).

30578793394 is a wasteful number, since it uses less digits than its factorization.

30578793394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244840.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 30578793394 in words is "thirty billion, five hundred seventy-eight million, seven hundred ninety-three thousand, three hundred ninety-four".

Divisors: 1 2 2111 4222 7242727 14485454 15289396697 30578793394