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2065084931 = 71397123371
BaseRepresentation
bin111101100010110…
…1011001000000011
312022220211011222002
41323011223020003
513212130204211
6540525534215
7102113634530
oct17305531003
95286734862
102065084931
1196a760968
1249771436b
1326bab4960
1415839bd87
15c146c03b
hex7b16b203

2065084931 has 16 divisors (see below), whose sum is σ = 2544369408. Its totient is φ = 1632160800.

The previous prime is 2065084907. The next prime is 2065084937. The reversal of 2065084931 is 1394805602.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2065084931 is a prime.

It is a super-2 number, since 2×20650849312 = 8529151544486549522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2065084937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76676 + ... + 100046.

It is an arithmetic number, because the mean of its divisors is an integer number (159023088).

Almost surely, 22065084931 is an apocalyptic number.

2065084931 is a deficient number, since it is larger than the sum of its proper divisors (479284477).

2065084931 is a wasteful number, since it uses less digits than its factorization.

2065084931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24362.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2065084931 is about 45443.2055537459. The cubic root of 2065084931 is about 1273.4424000778.

The spelling of 2065084931 in words is "two billion, sixty-five million, eighty-four thousand, nine hundred thirty-one".

Divisors: 1 7 13 91 971 6797 12623 23371 88361 163597 303823 2126761 22693241 158852687 295012133 2065084931