Search a number
-
+
120875684112 = 24326115787649
BaseRepresentation
bin111000010010011000…
…0001001000100010000
3102120000000220222021100
41300210300021010100
53440023133342422
6131310213224400
711506261235211
oct1604460110420
9376000828240
10120875684112
11472991995a7
121b515032100
13b524749051
145bc9773408
153226ccc7ac
hex1c24c09110

120875684112 has 120 divisors (see below), whose sum is σ = 346023618200. Its totient is φ = 39378493440.

The previous prime is 120875684107. The next prime is 120875684143. The reversal of 120875684112 is 211486578021.

120875684112 is a `hidden beast` number, since 1 + 2 + 0 + 87 + 568 + 4 + 1 + 1 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 879952896 + 119995731216 = 29664^2 + 346404^2 .

It is a super-2 number, since 2×1208756841122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335264 + ... + 1422912.

Almost surely, 2120875684112 is an apocalyptic number.

120875684112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120875684112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173011809100).

120875684112 is an abundant number, since it is smaller than the sum of its proper divisors (225147934088).

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

120875684112 is a wasteful number, since it uses less digits than its factorization.

120875684112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87881 (or 87872 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 120875684112 in words is "one hundred twenty billion, eight hundred seventy-five million, six hundred eighty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 61 72 122 144 157 183 244 314 366 471 488 549 628 732 942 976 1098 1256 1413 1464 1884 2196 2512 2826 2928 3768 4392 5652 7536 8784 9577 11304 19154 22608 28731 38308 57462 76616 86193 87649 114924 153232 172386 175298 229848 262947 344772 350596 459696 525894 689544 701192 788841 1051788 1379088 1402384 1577682 2103576 3155364 4207152 5346589 6310728 10693178 12621456 13760893 16039767 21386356 27521786 32079534 41282679 42772712 48119301 55043572 64159068 82565358 85545424 96238602 110087144 123848037 128318136 165130716 192477204 220174288 247696074 256636272 330261432 384954408 495392148 660522864 769908816 839414473 990784296 1678828946 1981568592 2518243419 3357657892 5036486838 6715315784 7554730257 10072973676 13430631568 15109460514 20145947352 30218921028 40291894704 60437842056 120875684112