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1992672682080 = 25356168055761
BaseRepresentation
bin11100111111110100100…
…011000010000001100000
321001111102210012112101220
4130333310203002001200
5230121443201311310
64123230551055040
7263652200221113
oct34776443020140
97044383175356
101992672682080
116a90a6864443
1228223a071480
13115ba64b73b2
146c63568c57a
1536c79aaa670
hex1cff48c2060

1992672682080 has 96 divisors (see below), whose sum is σ = 6379819352928. Its totient is φ = 522668236800.

The previous prime is 1992672682073. The next prime is 1992672682087. The reversal of 1992672682080 is 802862762991.

It is an interprime number because it is at equal distance from previous prime (1992672682073) and next prime (1992672682087).

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

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992672682087) 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, 33998601 + ... + 34057160.

It is an arithmetic number, because the mean of its divisors is an integer number (66456451593).

Almost surely, 21992672682080 is an apocalyptic number.

1992672682080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992672682080 is an abundant number, since it is smaller than the sum of its proper divisors (4387146670848).

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

1992672682080 is a wasteful number, since it uses less digits than its factorization.

1992672682080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68055840 (or 68055832 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 1992672682080 in words is "one trillion, nine hundred ninety-two billion, six hundred seventy-two million, six hundred eighty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 61 80 96 120 122 160 183 240 244 305 366 480 488 610 732 915 976 1220 1464 1830 1952 2440 2928 3660 4880 5856 7320 9760 14640 29280 68055761 136111522 204167283 272223044 340278805 408334566 544446088 680557610 816669132 1020836415 1088892176 1361115220 1633338264 2041672830 2177784352 2722230440 3266676528 4083345660 4151401421 5444460880 6533353056 8166691320 8302802842 10888921760 12454204263 16333382640 16605605684 20757007105 24908408526 32666765280 33211211368 41514014210 49816817052 62271021315 66422422736 83028028420 99633634104 124542042630 132844845472 166056056840 199267268208 249084085260 332112113680 398534536416 498168170520 664224227360 996336341040 1992672682080