Search a number
-
+
30013021322320 = 245606476186007
BaseRepresentation
bin1101101001011111100110…
…11110010111110001010000
310221021012212001121110200011
412310233303132113301100
512413213131424303240
6143455442555204304
76215240434661101
oct664576336276120
9127235761543604
1030013021322320
1196214a610a263
123448884146694
1313992a60681ba
1475a8d08a63a8
15370a9303d6ea
hex1b4bf3797c50

30013021322320 has 40 divisors (see below), whose sum is σ = 69781436452224. Its totient is φ = 12005008636032.

The previous prime is 30013021322293. The next prime is 30013021322327. The reversal of 30013021322320 is 2322312031003.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×300130213223202 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30013021322291 and 30013021322300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013021322327) 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, 1758757 + ... + 7944763.

Almost surely, 230013021322320 is an apocalyptic number.

It is an amenable number.

30013021322320 is an abundant number, since it is smaller than the sum of its proper divisors (39768415129904).

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

30013021322320 is a wasteful number, since it uses less digits than its factorization.

30013021322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246667 (or 6246661 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30013021322320 its reverse (2322312031003), we get a palindrome (32335333353323).

The spelling of 30013021322320 in words is "thirty trillion, thirteen billion, twenty-one million, three hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 60647 121294 242588 303235 485176 606470 970352 1212940 2425880 4851760 6186007 12372014 24744028 30930035 49488056 61860070 98976112 123720140 247440280 494880560 375162766529 750325533058 1500651066116 1875813832645 3001302132232 3751627665290 6002604264464 7503255330580 15006510661160 30013021322320