Search a number
-
+
15212342644260 = 22353120174054873
BaseRepresentation
bin1101110101011110011001…
…0001111000111000100100
31222212021201022111100122120
43131113212101320320210
53443214334204104020
652204242001225540
73130025013660156
oct335274621707044
958767638440576
1015212342644260
114935577924023
1218583069322b0
13864696682548
143a83d1cc8ad6
151b5a9448d740
hexdd5e6478e24

15212342644260 has 96 divisors (see below), whose sum is σ = 43990387295232. Its totient is φ = 3923818536960.

The previous prime is 15212342644181. The next prime is 15212342644307. The reversal of 15212342644260 is 6244624321251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1724184 + ... + 5779056.

It is an arithmetic number, because the mean of its divisors is an integer number (458233200992).

Almost surely, 215212342644260 is an apocalyptic number.

15212342644260 is a gapful number since it is divisible by the number (10) 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 15212342644260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21995193647616).

15212342644260 is an abundant number, since it is smaller than the sum of its proper divisors (28778044650972).

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

15212342644260 is a wasteful number, since it uses less digits than its factorization.

15212342644260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056933 (or 4056931 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 15212342644260 in words is "fifteen trillion, two hundred twelve billion, three hundred forty-two million, six hundred forty-four thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 2017 4034 6051 8068 10085 12102 20170 24204 30255 40340 60510 62527 121020 125054 187581 250108 312635 375162 625270 750324 937905 1250540 1875810 3751620 4054873 8109746 12164619 16219492 20274365 24329238 40548730 48658476 60823095 81097460 121646190 125701063 243292380 251402126 377103189 502804252 628505315 754206378 1257010630 1508412756 1885515945 2514021260 3771031890 7542063780 8178678841 16357357682 24536036523 32714715364 40893394205 49072073046 81786788410 98144146092 122680182615 163573576820 245360365230 253539044071 490720730460 507078088142 760617132213 1014156176284 1267695220355 1521234264426 2535390440710 3042468528852 3803085661065 5070780881420 7606171322130 15212342644260