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13044314220 = 2235731057891
BaseRepresentation
bin11000010011000000…
…00111000001101100
31020200002011211010220
430021200013001230
5203203321023340
65554212531340
7641151561420
oct141140070154
936602154126
1013044314220
1155941a2383
122640620b50
1312cb619132
148ba5c2b80
155152a6ed0
hex30980706c

13044314220 has 48 divisors (see below), whose sum is σ = 41741806848. Its totient is φ = 2981557440.

The previous prime is 13044314201. The next prime is 13044314233. The reversal of 13044314220 is 2241344031.

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, 15528526 + ... + 15529365.

It is an arithmetic number, because the mean of its divisors is an integer number (869620976).

Almost surely, 213044314220 is an apocalyptic number.

13044314220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044314220 is an abundant number, since it is smaller than the sum of its proper divisors (28697492628).

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

13044314220 is a wasteful number, since it uses less digits than its factorization.

13044314220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31057910 (or 31057908 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13044314220 its reverse (2241344031), we get a palindrome (15285658251).

The spelling of 13044314220 in words is "thirteen billion, forty-four million, three hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 31057891 62115782 93173673 124231564 155289455 186347346 217405237 310578910 372694692 434810474 465868365 621157820 652215711 869620948 931736730 1087026185 1304431422 1863473460 2174052370 2608862844 3261078555 4348104740 6522157110 13044314220