Search a number
-
+
30137544420 = 2235502292407
BaseRepresentation
bin11100000100010101…
…100110111011100100
32212210100002212211220
4130010111212323210
5443210202410140
621502304100340
72114556620664
oct340425467344
985710085756
1030137544420
1111865949205
125a110046b0
132ac3a22829
14165c8101a4
15bb5c47bd0
hex704566ee4

30137544420 has 24 divisors (see below), whose sum is σ = 84385124544. Its totient is φ = 8036678496.

The previous prime is 30137544413. The next prime is 30137544433. The reversal of 30137544420 is 2444573103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251146144 + ... + 251146263.

It is an arithmetic number, because the mean of its divisors is an integer number (3516046856).

Almost surely, 230137544420 is an apocalyptic number.

30137544420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30137544420 is an abundant number, since it is smaller than the sum of its proper divisors (54247580124).

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

30137544420 is a wasteful number, since it uses less digits than its factorization.

30137544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502292419 (or 502292417 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 30137544420 in words is "thirty billion, one hundred thirty-seven million, five hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 502292407 1004584814 1506877221 2009169628 2511462035 3013754442 5022924070 6027508884 7534386105 10045848140 15068772210 30137544420