Search a number
-
+
30474741252440 = 235761868531311
BaseRepresentation
bin1101110110111011101000…
…01000001000000101011000
310222220100122010010010222202
412323131310020020011120
512443244232230034230
6144451523003505332
76263504332430252
oct673356410100530
9128810563103882
1030474741252440
11978a2a0a64671
123502261228248
1314009a956a644
14774db1b10cd2
1537cab8178a45
hex1bb774208158

30474741252440 has 16 divisors (see below), whose sum is σ = 68568167818080. Its totient is φ = 12189896500960.

The previous prime is 30474741252437. The next prime is 30474741252457. The reversal of 30474741252440 is 4425214747403.

It is a super-3 number, since 3×304747412524403 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 380934265616 + ... + 380934265695.

It is an arithmetic number, because the mean of its divisors is an integer number (4285510488630).

Almost surely, 230474741252440 is an apocalyptic number.

It is an amenable number.

30474741252440 is an abundant number, since it is smaller than the sum of its proper divisors (38093426565640).

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

30474741252440 is a wasteful number, since it uses less digits than its factorization.

30474741252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761868531322 (or 761868531318 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 47.

Adding to 30474741252440 its reverse (4425214747403), we get a palindrome (34899955999843).

The spelling of 30474741252440 in words is "thirty trillion, four hundred seventy-four billion, seven hundred forty-one million, two hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 761868531311 1523737062622 3047474125244 3809342656555 6094948250488 7618685313110 15237370626220 30474741252440