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309309340050 = 232521936176531
BaseRepresentation
bin1001000000001000100…
…01011111100110010010
31002120101022002111112100
410200010101133212102
520031431142340200
6354032244341230
731226655003414
oct4400421374622
91076338074470
10309309340050
1110a1a5071267
124bb430a4816
13232246ca049
1410d8367c9b4
1580a4ae1d00
hex480445f992

309309340050 has 72 divisors (see below), whose sum is σ = 874748543760. Its totient is φ = 78141304800.

The previous prime is 309309340007. The next prime is 309309340063. The reversal of 309309340050 is 50043903903.

It is a happy number.

309309340050 is a `hidden beast` number, since 3 + 0 + 9 + 309 + 340 + 0 + 5 + 0 = 666.

309309340050 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 309309339987 and 309309340014.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18079716 + ... + 18096815.

It is an arithmetic number, because the mean of its divisors is an integer number (12149285330).

Almost surely, 2309309340050 is an apocalyptic number.

309309340050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

309309340050 is an abundant number, since it is smaller than the sum of its proper divisors (565439203710).

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

309309340050 is a wasteful number, since it uses less digits than its factorization.

309309340050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36176568 (or 36176560 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The spelling of 309309340050 in words is "three hundred nine billion, three hundred nine million, three hundred forty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 19 25 30 38 45 50 57 75 90 95 114 150 171 190 225 285 342 450 475 570 855 950 1425 1710 2850 4275 8550 36176531 72353062 108529593 180882655 217059186 325588779 361765310 542647965 651177558 687354089 904413275 1085295930 1374708178 1627943895 1808826550 2062062267 2713239825 3255887790 3436770445 4124124534 5426479650 6186186801 6873540890 8139719475 10310311335 12372373602 16279438950 17183852225 20620622670 30930934005 34367704450 51551556675 61861868010 103103113350 154654670025 309309340050