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2154073249248 = 2531399145910993
BaseRepresentation
bin11111010110001000110…
…001010101010111100000
321121221001001211212100220
4133112020301111113200
5240243020222433443
64325322333243040
7311424641341404
oct37261061252740
97557031755326
102154073249248
117605a0213428
122a9582933480
1312818897098b
14763871c1104
153b0744a0a83
hex1f588c555e0

2154073249248 has 96 divisors (see below), whose sum is σ = 5662877472000. Its totient is φ = 716954167296.

The previous prime is 2154073249247. The next prime is 2154073249291. The reversal of 2154073249248 is 8429423704512.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 2154073249248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154073249247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195944040 + ... + 195955032.

It is an arithmetic number, because the mean of its divisors is an integer number (58988307000).

Almost surely, 22154073249248 is an apocalyptic number.

It is an amenable number.

2154073249248 is an abundant number, since it is smaller than the sum of its proper divisors (3508804222752).

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

2154073249248 is a wasteful number, since it uses less digits than its factorization.

2154073249248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864 (or 13856 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 2154073249248 in words is "two trillion, one hundred fifty-four billion, seventy-three million, two hundred forty-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1399 1459 2798 2918 4197 4377 5596 5836 8394 8754 10993 11192 11672 16788 17508 21986 22384 23344 32979 33576 35016 43972 44768 46688 65958 67152 70032 87944 131916 134304 140064 175888 263832 351776 527664 1055328 2041141 4082282 6123423 8164564 12246846 15379207 16038787 16329128 24493692 30758414 32077574 32658256 46137621 48116361 48987384 61516828 64155148 65316512 92275242 96232722 97974768 123033656 128310296 184550484 192465444 195949536 246067312 256620592 369100968 384930888 492134624 513241184 738201936 769861776 1476403872 1539723552 22438263013 44876526026 67314789039 89753052052 134629578078 179506104104 269259156156 359012208208 538518312312 718024416416 1077036624624 2154073249248