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82757905190 = 2517486811207
BaseRepresentation
bin100110100010011000…
…0010110101100100110
321220121112121011200122
41031010300112230212
52323442010431230
6102003553041542
75656550405342
oct1150460265446
9256545534618
1082757905190
1132108753074
12140575562b2
137a5b613b8c
144011162622
152245690be5
hex1344c16b26

82757905190 has 16 divisors (see below), whose sum is σ = 157726831392. Its totient is φ = 31155917184.

The previous prime is 82757905163. The next prime is 82757905261. The reversal of 82757905190 is 9150975728.

It is a happy number.

It is a super-2 number, since 2×827579051902 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243405434 + ... + 243405773.

It is an arithmetic number, because the mean of its divisors is an integer number (9857926962).

Almost surely, 282757905190 is an apocalyptic number.

82757905190 is a deficient number, since it is larger than the sum of its proper divisors (74968926202).

82757905190 is a wasteful number, since it uses less digits than its factorization.

82757905190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486811231.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The spelling of 82757905190 in words is "eighty-two billion, seven hundred fifty-seven million, nine hundred five thousand, one hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 486811207 973622414 2434056035 4868112070 8275790519 16551581038 41378952595 82757905190