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30833333421 = 3112773838807
BaseRepresentation
bin11100101101110011…
…110101010010101101
32221120211100121220220
4130231303311102231
51001121313132141
622055321201553
72141036003232
oct345563652255
987524317826
1030833333421
1112092681840
125b860302b9
132ba4c192b7
1416c6dad789
15c06d87766
hex72dcf54ad

30833333421 has 32 divisors (see below), whose sum is σ = 45133037568. Its totient is φ = 18568683840.

The previous prime is 30833333393. The next prime is 30833333423. The reversal of 30833333421 is 12433333803.

It is a happy number.

It is not a de Polignac number, because 30833333421 - 29 = 30833332909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30833333423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3496600 + ... + 3505406.

It is an arithmetic number, because the mean of its divisors is an integer number (1410407424).

Almost surely, 230833333421 is an apocalyptic number.

It is an amenable number.

30833333421 is a deficient number, since it is larger than the sum of its proper divisors (14299704147).

30833333421 is a wasteful number, since it uses less digits than its factorization.

30833333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481.

The product of its (nonzero) digits is 46656, while the sum is 33.

The spelling of 30833333421 in words is "thirty billion, eight hundred thirty-three million, three hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 3 11 33 277 383 831 1149 3047 4213 8807 9141 12639 26421 96877 106091 290631 318273 1167001 2439539 3373081 3501003 7318617 10119243 26834929 37103891 80504787 111311673 934343437 2803030311 10277777807 30833333421