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1102321420 = 22555116071
BaseRepresentation
bin100000110110100…
…0001011100001100
32211211012201201021
41001231001130030
54224143241140
6301214323524
736213402034
oct10155013414
92754181637
101102321420
11516260442
122691b95a4
131474b44c5
14a65848c4
1566b93b4a
hex41b4170c

1102321420 has 12 divisors (see below), whose sum is σ = 2314875024. Its totient is φ = 440928560.

The previous prime is 1102321417. The next prime is 1102321421. The reversal of 1102321420 is 241232011.

It is a super-3 number, since 3×11023214203 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1102321394 and 1102321403.

It is not an unprimeable number, because it can be changed into a prime (1102321421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27558016 + ... + 27558055.

It is an arithmetic number, because the mean of its divisors is an integer number (192906252).

Almost surely, 21102321420 is an apocalyptic number.

1102321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102321420 is an abundant number, since it is smaller than the sum of its proper divisors (1212553604).

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

1102321420 is a wasteful number, since it uses less digits than its factorization.

1102321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55116080 (or 55116078 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1102321420 is about 33201.2261821759. The cubic root of 1102321420 is about 1033.0057736192.

Adding to 1102321420 its reverse (241232011), we get a palindrome (1343553431).

The spelling of 1102321420 in words is "one billion, one hundred two million, three hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 55116071 110232142 220464284 275580355 551160710 1102321420