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812952920045 = 5723227226287
BaseRepresentation
bin10111101010001111100…
…01010001111111101101
32212201101002100020220002
423311013301101333231
5101304411421420140
61421244310234045
7112506505543220
oct13650761217755
92781332306802
10812952920045
112938538032a2
12111680355925
135b8796760c6
142b4c07575b7
1516230544415
hexbd47c51fed

812952920045 has 8 divisors (see below), whose sum is σ = 1114906861824. Its totient is φ = 557453430864.

The previous prime is 812952920027. The next prime is 812952920053. The reversal of 812952920045 is 540029259218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 812952920045 - 26 = 812952919981 is a prime.

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, 11613613109 + ... + 11613613178.

It is an arithmetic number, because the mean of its divisors is an integer number (139363357728).

Almost surely, 2812952920045 is an apocalyptic number.

It is an amenable number.

812952920045 is a deficient number, since it is larger than the sum of its proper divisors (301953941779).

812952920045 is a wasteful number, since it uses less digits than its factorization.

812952920045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23227226299.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 812952920045 in words is "eight hundred twelve billion, nine hundred fifty-two million, nine hundred twenty thousand, forty-five".

Divisors: 1 5 7 35 23227226287 116136131435 162590584009 812952920045