Search a number
-
+
13122300454550 = 25271307132721617
BaseRepresentation
bin1011111011110100011000…
…0011101010011010010110
31201110110221200101100011022
42332331012003222122112
53204443432404021200
643524145051441142
72523024560330360
oct276750603523226
951413850340138
1013122300454550
1141aa155566421
12157b233a561b2
137425736467a1
143351a0ab7d30
1517b51b59d885
hexbef460ea696

13122300454550 has 96 divisors (see below), whose sum is σ = 27937932715008. Its totient is φ = 4492036523520.

The previous prime is 13122300454537. The next prime is 13122300454619. The reversal of 13122300454550 is 5545400322131.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122300454550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607025342 + ... + 607046958.

It is an arithmetic number, because the mean of its divisors is an integer number (291020132448).

Almost surely, 213122300454550 is an apocalyptic number.

13122300454550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13122300454550 is an abundant number, since it is smaller than the sum of its proper divisors (14815632260458).

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

13122300454550 is a wasteful number, since it uses less digits than its factorization.

13122300454550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24270 (or 24265 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 13122300454550 its reverse (5545400322131), we get a palindrome (18667700776681).

The spelling of 13122300454550 in words is "thirteen trillion, one hundred twenty-two billion, three hundred million, four hundred fifty-four thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1307 1327 2614 2654 6535 6635 9149 9289 13070 13270 18298 18578 21617 32675 33175 43234 45745 46445 65350 66350 91490 92890 108085 151319 216170 228725 232225 302638 457450 464450 540425 756595 1080850 1513190 1734389 3468778 3782975 7565950 8671945 12140723 17343890 24281446 28253419 28685759 43359725 56506838 57371518 60703615 86719450 121407230 141267095 143428795 197773933 200800313 282534190 286857590 303518075 395547866 401600626 607036150 706335475 717143975 988869665 1004001565 1412670950 1434287950 1977739330 2008003130 4944348325 5020007825 9888696650 10040015650 37492287013 74984574026 187461435065 262446009091 374922870130 524892018182 937307175325 1312230045455 1874614350650 2624460090910 6561150227275 13122300454550