Search a number
-
+
1242205122350 = 2521713111155861
BaseRepresentation
bin10010000100111001001…
…100011110111100101110
311101202100102002110200002
4102010321030132330232
5130323014002403400
62350354450504302
7155514000215663
oct22047114367456
94352312073602
101242205122350
114398a84531a5
121808b7b95092
13901a747329a
14441a1907a6a
15224a50a1ed5
hex1213931ef2e

1242205122350 has 48 divisors (see below), whose sum is σ = 2465088514416. Its totient is φ = 464083776000.

The previous prime is 1242205122343. The next prime is 1242205122371. The reversal of 1242205122350 is 532215022421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5466581 + ... + 5689280.

It is an arithmetic number, because the mean of its divisors is an integer number (51356010717).

Almost surely, 21242205122350 is an apocalyptic number.

1242205122350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242205122350 is a deficient number, since it is larger than the sum of its proper divisors (1222883392066).

1242205122350 is a wasteful number, since it uses less digits than its factorization.

1242205122350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156021 (or 11156016 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 1242205122350 in words is "one trillion, two hundred forty-two billion, two hundred five million, one hundred twenty-two thousand, three hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 131 170 262 425 655 850 1310 2227 3275 4454 6550 11135 22270 55675 111350 11155861 22311722 55779305 111558610 189649637 278896525 379299274 557793050 948248185 1461417791 1896496370 2922835582 4741240925 7307088955 9482481850 14614177910 24844102447 36535444775 49688204894 73070889550 124220512235 248441024470 621102561175 1242205122350