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54699469236990 = 23251743982984589
BaseRepresentation
bin11000110111111101101100…
…11011101110101011111110
321011200012220001121210211200
430123332312123232223332
524132144003111040430
6312200331140400330
714343622561016604
oct1433766633565376
9234605801553750
1054699469236990
1116479a07410236
1261751596a60a6
13246a1a3a22196
14d7167b569874
1564ccd32ce460
hex31bfb66eeafe

54699469236990 has 192 divisors, whose sum is σ = 154103882961600. Its totient is φ = 13407704174592.

The previous prime is 54699469236977. The next prime is 54699469237003. The reversal of 54699469236990 is 9963296499645.

54699469236990 is a `hidden beast` number, since 5 + 4 + 6 + 9 + 9 + 469 + 2 + 3 + 69 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (54699469236977) and next prime (54699469237003).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 646607616 + ... + 646692204.

It is an arithmetic number, because the mean of its divisors is an integer number (802624390425).

Almost surely, 254699469236990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54699469236990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77051941480800).

54699469236990 is an abundant number, since it is smaller than the sum of its proper divisors (99404413724610).

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

54699469236990 is a wasteful number, since it uses less digits than its factorization.

54699469236990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94491 (or 94488 counting only the distinct ones).

The product of its (nonzero) digits is 6122200320, while the sum is 81.

The spelling of 54699469236990 in words is "fifty-four trillion, six hundred ninety-nine billion, four hundred sixty-nine million, two hundred thirty-six thousand, nine hundred ninety".