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100330331420 = 22511456046961
BaseRepresentation
bin101110101110000100…
…1110101110100011100
3100120222012012220202202
41131130021311310130
53120434031101140
6114031403111032
710151164513604
oct1353411656434
9316865186682
10100330331420
1139605946a80
1217540512478
1395cc09a317
144bdac8bc04
15292323a915
hex175c275d1c

100330331420 has 24 divisors (see below), whose sum is σ = 229847668848. Its totient is φ = 36483756800.

The previous prime is 100330331419. The next prime is 100330331447. The reversal of 100330331420 is 24133033001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100330331392 and 100330331401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228023261 + ... + 228023700.

It is an arithmetic number, because the mean of its divisors is an integer number (9576986202).

Almost surely, 2100330331420 is an apocalyptic number.

100330331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100330331420 is an abundant number, since it is smaller than the sum of its proper divisors (129517337428).

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

100330331420 is a wasteful number, since it uses less digits than its factorization.

100330331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456046981 (or 456046979 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 100330331420 its reverse (24133033001), we get a palindrome (124463364421).

The spelling of 100330331420 in words is "one hundred billion, three hundred thirty million, three hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 456046961 912093922 1824187844 2280234805 4560469610 5016516571 9120939220 10033033142 20066066284 25082582855 50165165710 100330331420