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12204068590 = 257712455547
BaseRepresentation
bin10110101110110101…
…10100111011101110
31011111112002220211101
423113122310323232
5144443220143330
65334555313314
7611266604620
oct132732647356
934445086741
1012204068590
1151a29733aa
12244714b83a
1311c651497c
1483ab7cc10
154b66304ca
hex2d76b4eee

12204068590 has 32 divisors (see below), whose sum is σ = 25459121664. Its totient is φ = 4125317280.

The previous prime is 12204068573. The next prime is 12204068621. The reversal of 12204068590 is 9586040221.

It is a super-3 number, since 3×122040685903 (a number of 31 digits) contains 333 as substring.

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, 1222804 + ... + 1232743.

It is an arithmetic number, because the mean of its divisors is an integer number (795597552).

Almost surely, 212204068590 is an apocalyptic number.

12204068590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12204068590 is an abundant number, since it is smaller than the sum of its proper divisors (13255053074).

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

12204068590 is a wasteful number, since it uses less digits than its factorization.

12204068590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455632.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12204068590 in words is "twelve billion, two hundred four million, sixty-eight thousand, five hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 71 142 355 497 710 994 2485 4970 2455547 4911094 12277735 17188829 24555470 34377658 85944145 171888290 174343837 348687674 871719185 1220406859 1743438370 2440813718 6102034295 12204068590