Search a number
-
+
30807780282750 = 235349009838153
BaseRepresentation
bin1110000000100111111101…
…10011001101000101111110
311001002012021011210210222010
413000103332303031011332
513014223313223022000
6145304522054032050
76326534341453302
oct700237663150576
9131065234723863
1030807780282750
1198a85628a3399
123556907348626
13142621325cc13
14787166b43d02
153865ab164d50
hex1c04feccd17e

30807780282750 has 64 divisors (see below), whose sum is σ = 76897880354880. Its totient is φ = 8215230643200.

The previous prime is 30807780282701. The next prime is 30807780282757. The reversal of 30807780282750 is 5728208770803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30807780282757) 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, 36337674 + ... + 37175826.

It is an arithmetic number, because the mean of its divisors is an integer number (1201529380545).

Almost surely, 230807780282750 is an apocalyptic number.

30807780282750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30807780282750 is an abundant number, since it is smaller than the sum of its proper divisors (46090100072130).

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

30807780282750 is a wasteful number, since it uses less digits than its factorization.

30807780282750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887182 (or 887172 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 30807780282750 in words is "thirty trillion, eight hundred seven billion, seven hundred eighty million, two hundred eighty-two thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 49009 98018 147027 245045 294054 490090 735135 838153 1225225 1470270 1676306 2450450 2514459 3675675 4190765 5028918 6126125 7351350 8381530 12252250 12572295 18378375 20953825 25144590 36756750 41907650 62861475 104769125 125722950 209538250 314307375 628614750 41077040377 82154080754 123231121131 205385201885 246462242262 410770403770 616155605655 1026926009425 1232311211310 2053852018850 3080778028275 5134630047125 6161556056550 10269260094250 15403890141375 30807780282750