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7097920451 = 23241734483
BaseRepresentation
bin1101001110001000…
…11010101111000011
3200022122222201101122
412213010122233003
5104014031423301
63132153022455
7340615220426
oct64704325703
920278881348
107097920451
113012655766
1214610b4a2b
1389169c03b
144b49699bd
152b820c81b
hex1a711abc3

7097920451 has 24 divisors (see below), whose sum is σ = 7706758416. Its totient is φ = 6531528960.

The previous prime is 7097920439. The next prime is 7097920457. The reversal of 7097920451 is 1540297907.

It is not a de Polignac number, because 7097920451 - 218 = 7097658307 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7097920457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581056 + ... + 1585538.

It is an arithmetic number, because the mean of its divisors is an integer number (321114934).

Almost surely, 27097920451 is an apocalyptic number.

7097920451 is a deficient number, since it is larger than the sum of its proper divisors (608837965).

7097920451 is a wasteful number, since it uses less digits than its factorization.

7097920451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 7097920451 is about 84249.1569750107. The cubic root of 7097920451 is about 1921.8096771438.

The spelling of 7097920451 in words is "seven billion, ninety-seven million, nine hundred twenty thousand, four hundred fifty-one".

Divisors: 1 23 41 73 529 943 1679 2993 4483 21689 38617 68839 103109 183803 327259 1583297 2371507 4227469 7526957 13417619 97231787 173120011 308605237 7097920451