Search a number
-
+
212145063130 = 2571113149142237
BaseRepresentation
bin1100010110010011010…
…1001100010011011010
3202021120202100211001101
43011210311030103122
511433433114010010
6241242540542014
721220103166220
oct3054465142332
9667522324041
10212145063130
1181a743a2960
1235146b5190a
131700b544770
14a3a70a0b10
1557b97eb73a
hex3164d4c4da

212145063130 has 128 divisors (see below), whose sum is σ = 516153254400. Its totient is φ = 60626672640.

The previous prime is 212145063083. The next prime is 212145063139. The reversal of 212145063130 is 31360541212.

It is not an unprimeable number, because it can be changed into a prime (212145063139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1420372 + ... + 1562608.

It is an arithmetic number, because the mean of its divisors is an integer number (4032447300).

Almost surely, 2212145063130 is an apocalyptic number.

212145063130 is an abundant number, since it is smaller than the sum of its proper divisors (304008191270).

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

212145063130 is a wasteful number, since it uses less digits than its factorization.

212145063130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142424.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 212145063130 in words is "two hundred twelve billion, one hundred forty-five million, sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 149 154 182 286 298 385 455 715 745 770 910 1001 1043 1430 1490 1639 1937 2002 2086 3278 3874 5005 5215 8195 9685 10010 10430 11473 13559 16390 19370 21307 22946 27118 42614 57365 67795 106535 114730 135590 142237 149149 213070 284474 298298 711185 745745 995659 1422370 1491490 1564607 1849081 1991318 3129214 3698162 4978295 7823035 9245405 9956590 10952249 12943567 15646070 18490810 20339891 21193313 21904498 25887134 40679782 42386626 54761245 64717835 101699455 105966565 109522490 129435670 142379237 148353191 203398910 211933130 233126443 275513069 284758474 296706382 466252886 551026138 711896185 741765955 1165632215 1377565345 1423792370 1483531910 1631885101 1928591483 2331264430 2755130690 3030643759 3263770202 3857182966 6061287518 8159425505 9642957415 15153218795 16318851010 19285914830 21214506313 30306437590 42429012626 106072531565 212145063130