Search a number
-
+
211130323040 = 25571314500709
BaseRepresentation
bin1100010010100001011…
…0010001000001100000
3202011222000221200100002
43010220112101001200
511424343330314130
6240554131315132
721153002064260
oct3045026210140
9664860850302
10211130323040
11815a362168a
1234b0314baa8
1316ba9246340
14a30c3d77a0
15575a6a7b45
hex3128591060

211130323040 has 96 divisors (see below), whose sum is σ = 613902058560. Its totient is φ = 66819262464.

The previous prime is 211130323037. The next prime is 211130323067. The reversal of 211130323040 is 40323031112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7235795 + ... + 7264914.

It is an arithmetic number, because the mean of its divisors is an integer number (6394813110).

Almost surely, 2211130323040 is an apocalyptic number.

211130323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211130323040 is an abundant number, since it is smaller than the sum of its proper divisors (402771735520).

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

211130323040 is a wasteful number, since it uses less digits than its factorization.

211130323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500744 (or 14500736 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211130323040 its reverse (40323031112), we get a palindrome (251453354152).

The spelling of 211130323040 in words is "two hundred eleven billion, one hundred thirty million, three hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 91 104 112 130 140 160 182 208 224 260 280 364 416 455 520 560 728 910 1040 1120 1456 1820 2080 2912 3640 7280 14560 14500709 29001418 58002836 72503545 101504963 116005672 145007090 188509217 203009926 232011344 290014180 377018434 406019852 464022688 507524815 580028360 754036868 812039704 942546085 1015049630 1160056720 1319564519 1508073736 1624079408 1885092170 2030099260 2320113440 2639129038 3016147472 3248158816 3770184340 4060198520 5278258076 6032294944 6597822595 7540368680 8120397040 10556516152 13195645190 15080737360 16240794080 21113032304 26391290380 30161474720 42226064608 52782580760 105565161520 211130323040