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30928265450 = 25210115140559
BaseRepresentation
bin11100110011011101…
…111110000011101010
32221211102222200011222
4130303131332003222
51001320113443300
622112552022042
72143300630055
oct346335760352
987742880158
1030928265450
1112131221665
125bb1991922
132bbb7a70b4
1416d5841a9c
15c1038a785
hex73377e0ea

30928265450 has 48 divisors (see below), whose sum is σ = 58482328320. Its totient is φ = 12167400000.

The previous prime is 30928265443. The next prime is 30928265453. The reversal of 30928265450 is 5456282903.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30928265453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742271 + ... + 782829.

It is an arithmetic number, because the mean of its divisors is an integer number (1218381840).

Almost surely, 230928265450 is an apocalyptic number.

30928265450 is a deficient number, since it is larger than the sum of its proper divisors (27554062870).

30928265450 is a wasteful number, since it uses less digits than its factorization.

30928265450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40823 (or 40818 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 30928265450 in words is "thirty billion, nine hundred twenty-eight million, two hundred sixty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 101 151 202 302 505 755 1010 1510 2525 3775 5050 7550 15251 30502 40559 76255 81118 152510 202795 381275 405590 762550 1013975 2027950 4096459 6124409 8192918 12248818 20482295 30622045 40964590 61244090 102411475 153110225 204822950 306220450 618565309 1237130618 3092826545 6185653090 15464132725 30928265450