Search a number
-
+
30734808951 = 373112715329
BaseRepresentation
bin11100100111111011…
…111111011101110111
32221022221222001202110
4130213323333131313
51000421102341301
622041441342103
72135431365000
oct344773773567
987287861673
1030734808951
1112041aa8960
125b59037933
132b8a6a12b2
1416b7c841a7
15bed3c50d6
hex727eff777

30734808951 has 32 divisors (see below), whose sum is σ = 52134336000. Its totient is φ = 15966128640.

The previous prime is 30734808941. The next prime is 30734808959. The reversal of 30734808951 is 15980843703.

It is not a de Polignac number, because 30734808951 - 29 = 30734808439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30734808951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30734808959) 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, 1346346 + ... + 1368983.

It is an arithmetic number, because the mean of its divisors is an integer number (1629198000).

Almost surely, 230734808951 is an apocalyptic number.

30734808951 is a deficient number, since it is larger than the sum of its proper divisors (21399527049).

30734808951 is a wasteful number, since it uses less digits than its factorization.

30734808951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715364 (or 2715350 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 30734808951 in words is "thirty billion, seven hundred thirty-four million, eight hundred eight thousand, nine hundred fifty-one".

Divisors: 1 3 7 11 21 33 49 77 147 231 343 539 1029 1617 3773 11319 2715329 8145987 19007303 29868619 57021909 89605857 133051121 209080333 399153363 627240999 931357847 1463562331 2794073541 4390686993 10244936317 30734808951