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101221322320 = 2454329424803
BaseRepresentation
bin101111001000101000…
…0101100111001010000
3100200021021202221111201
41132101100230321100
53124300124303240
6114300032120544
710212234020656
oct1362120547120
9320237687451
10101221322320
1139a22885698
121774a996154
13971185b181
144c83340dd6
152976587d9a
hex179142ce50

101221322320 has 40 divisors (see below), whose sum is σ = 240812595936. Its totient is φ = 39546933888.

The previous prime is 101221322273. The next prime is 101221322341. The reversal of 101221322320 is 23223122101.

101221322320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 14708962 + ... + 14715841.

Almost surely, 2101221322320 is an apocalyptic number.

101221322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221322320 is an abundant number, since it is smaller than the sum of its proper divisors (139591273616).

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

101221322320 is a wasteful number, since it uses less digits than its factorization.

101221322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29424859 (or 29424853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101221322320 its reverse (23223122101), we get a palindrome (124444444421).

The spelling of 101221322320 in words is "one hundred one billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 29424803 58849606 117699212 147124015 235398424 294248030 470796848 588496060 1176992120 1265266529 2353984240 2530533058 5061066116 6326332645 10122132232 12652665290 20244264464 25305330580 50610661160 101221322320