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812988116082 = 23437433154271
BaseRepresentation
bin10111101010010011101…
…11100010110001110010
32212201110112120101210000
423311021313202301302
5101304444424203312
61421252004450430
7112510413652452
oct13651167426162
92781415511700
10812988116082
1129387166262a
121116900a9a16
135b883a4a16c
142b4c52b9d62
1516233697adc
hexbd49de2c72

812988116082 has 80 divisors (see below), whose sum is σ = 1914441230592. Its totient is φ = 257539836960.

The previous prime is 812988115991. The next prime is 812988116093. The reversal of 812988116082 is 280611889218.

812988116082 is a `hidden beast` number, since 8 + 1 + 29 + 8 + 8 + 1 + 1 + 608 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1319394 + ... + 1834877.

Almost surely, 2812988116082 is an apocalyptic number.

812988116082 is an abundant number, since it is smaller than the sum of its proper divisors (1101453114510).

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

812988116082 is a wasteful number, since it uses less digits than its factorization.

812988116082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154365 (or 3154356 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 54.

The spelling of 812988116082 in words is "eight hundred twelve billion, nine hundred eighty-eight million, one hundred sixteen thousand, eighty-two".

Divisors: 1 2 3 6 9 18 27 37 43 54 74 81 86 111 129 162 222 258 333 387 666 774 999 1161 1591 1998 2322 2997 3182 3483 4773 5994 6966 9546 14319 28638 42957 85914 128871 257742 3154271 6308542 9462813 18925626 28388439 56776878 85165317 116708027 135633653 170330634 233416054 255495951 271267306 350124081 406900959 510991902 700248162 813801918 1050372243 1220702877 2100744486 2441405754 3151116729 3662108631 5018445161 6302233458 7324217262 9453350187 10036890322 10986325893 15055335483 18906700374 21972651786 30110670966 45166006449 90332012898 135498019347 270996038694 406494058041 812988116082