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7148440486 = 211437556491
BaseRepresentation
bin1101010100001010…
…01000101110100110
3200110012001101212001
412222011020232212
5104120000043421
63141155515514
7342100512235
oct65205105646
920405041761
107148440486
113039121160
121475bb8b9a
1389bcaa055
144bb55ab1c
152bc88b691
hex1aa148ba6

7148440486 has 16 divisors (see below), whose sum is σ = 11969483328. Its totient is φ = 3173725800.

The previous prime is 7148440427. The next prime is 7148440493. The reversal of 7148440486 is 6840448417.

It is a super-2 number, since 2×71484404862 (a number of 21 digits) contains 22 as substring.

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, 3777300 + ... + 3779191.

It is an arithmetic number, because the mean of its divisors is an integer number (748092708).

Almost surely, 27148440486 is an apocalyptic number.

7148440486 is a deficient number, since it is larger than the sum of its proper divisors (4821042842).

7148440486 is a wasteful number, since it uses less digits than its factorization.

7148440486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556547.

The product of its (nonzero) digits is 688128, while the sum is 46.

The square root of 7148440486 is about 84548.4505239451. The cubic root of 7148440486 is about 1926.3584484319.

The spelling of 7148440486 in words is "seven billion, one hundred forty-eight million, four hundred forty thousand, four hundred eighty-six".

Divisors: 1 2 11 22 43 86 473 946 7556491 15112982 83121401 166242802 324929113 649858226 3574220243 7148440486