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8145764452 = 227377862707
BaseRepresentation
bin1111001011000011…
…01000000001100100
3210000200200201010201
413211201220001210
5113140303430302
63424144000244
7405600566260
oct74541500144
923020621121
108145764452
113500087441
1216b4000084
139ca7bb187
14573bad0a0
1532a1dec87
hex1e5868064

8145764452 has 24 divisors (see below), whose sum is σ = 16731842624. Its totient is φ = 3396688992.

The previous prime is 8145764447. The next prime is 8145764491. The reversal of 8145764452 is 2544675418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930318 + ... + 3932389.

Almost surely, 28145764452 is an apocalyptic number.

It is an amenable number.

8145764452 is an abundant number, since it is smaller than the sum of its proper divisors (8586078172).

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

8145764452 is a wasteful number, since it uses less digits than its factorization.

8145764452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862755 (or 7862753 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 46.

The square root of 8145764452 is about 90253.8888469633. Note that the first 4 decimals coincide. The cubic root of 8145764452 is about 2012.0740002452.

The spelling of 8145764452 in words is "eight billion, one hundred forty-five million, seven hundred sixty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 7862707 15725414 31450828 55038949 110077898 220155796 290920159 581840318 1163680636 2036441113 4072882226 8145764452