Search a number
-
+
1333220111020 = 2257149122352259
BaseRepresentation
bin10011011001101010000…
…111000111001010101100
311201110021101211221111101
4103121222013013022230
5133320413322023040
62500250045532444
7165215302651120
oct23315207071254
94643241757441
101333220111020
11474462aa52a6
12196478874124
139895064cb75
1448757535580
1524a305c109a
hex1366a1c72ac

1333220111020 has 96 divisors (see below), whose sum is σ = 3223898496000. Its totient is φ = 453656296704.

The previous prime is 1333220111011. The next prime is 1333220111071. The reversal of 1333220111020 is 201110223331.

It is a super-2 number, since 2×13332201110202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25485651 + ... + 25537909.

It is an arithmetic number, because the mean of its divisors is an integer number (33582276000).

Almost surely, 21333220111020 is an apocalyptic number.

1333220111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1333220111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611949248000).

1333220111020 is an abundant number, since it is smaller than the sum of its proper divisors (1890678384980).

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

1333220111020 is a wasteful number, since it uses less digits than its factorization.

1333220111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53647 (or 53645 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1333220111020 its reverse (201110223331), we get a palindrome (1534330334351).

The spelling of 1333220111020 in words is "one trillion, three hundred thirty-three billion, two hundred twenty million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 149 298 596 745 1043 1223 1490 2086 2446 2980 4172 4892 5215 6115 8561 10430 12230 17122 20860 24460 34244 42805 52259 85610 104518 171220 182227 209036 261295 364454 365813 522590 728908 731626 911135 1045180 1275589 1463252 1822270 1829065 2551178 3644540 3658130 5102356 6377945 7316260 7786591 12755890 15573182 25511780 31146364 38932955 54506137 63912757 77865910 109012274 127825514 155731820 218024548 255651028 272530685 319563785 447389299 545061370 639127570 894778598 1090122740 1278255140 1789557196 2236946495 4473892990 8947785980 9523000793 19046001586 38092003172 47615003965 66661005551 95230007930 133322011102 190460015860 266644022204 333305027755 666610055510 1333220111020