Search a number
-
+
30156026730340 = 22576173239202393
BaseRepresentation
bin1101101101101001111110…
…10000101101011101100100
310221202212222100111220011111
412312310333100231131210
512423034020320332330
6144045253141314404
76231462311615650
oct666647720553544
9127685870456144
1030156026730340
11967710aa17985
123470534405a04
1313a9916486124
147637b9307a60
15374662a2132a
hex1b6d3f42d764

30156026730340 has 192 divisors, whose sum is σ = 74880987310080. Its totient is φ = 9988385218560.

The previous prime is 30156026730337. The next prime is 30156026730397. The reversal of 30156026730340 is 4303762065103.

It is a junction number, because it is equal to n+sod(n) for n = 30156026730293 and 30156026730302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148896184 + ... + 149098576.

It is an arithmetic number, because the mean of its divisors is an integer number (390005142240).

Almost surely, 230156026730340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30156026730340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37440493655040).

30156026730340 is an abundant number, since it is smaller than the sum of its proper divisors (44724960579740).

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

30156026730340 is a wasteful number, since it uses less digits than its factorization.

30156026730340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202782 (or 202780 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

Adding to 30156026730340 its reverse (4303762065103), we get a palindrome (34459788795443).

The spelling of 30156026730340 in words is "thirty trillion, one hundred fifty-six billion, twenty-six million, seven hundred thirty thousand, three hundred forty".