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102222431120 = 2454359350111
BaseRepresentation
bin101111100110011101…
…1101000001110010000
3100202212001112112121102
41133030323220032100
53133322420243440
6114543233243532
710246111220345
oct1371473501620
9322761475542
10102222431120
113a396996537
121798a1035a8
139841095c44
144d3a29a7cc
1529d43d7b15
hex17ccee8390

102222431120 has 80 divisors (see below), whose sum is σ = 243609265152. Its totient is φ = 39869921280.

The previous prime is 102222431119. The next prime is 102222431131. The reversal of 102222431120 is 21134222201.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 102222431092 and 102222431101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014865 + ... + 2064975.

Almost surely, 2102222431120 is an apocalyptic number.

102222431120 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 102222431120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121804632576).

102222431120 is an abundant number, since it is smaller than the sum of its proper divisors (141386834032).

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

102222431120 is a wasteful number, since it uses less digits than its factorization.

102222431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50760 (or 50754 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102222431120 its reverse (21134222201), we get a palindrome (123356653321).

The spelling of 102222431120 in words is "one hundred two billion, two hundred twenty-two million, four hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 593 688 860 1186 1720 2372 2965 3440 4744 5930 9488 11860 23720 25499 47440 50111 50998 100222 101996 127495 200444 203992 250555 254990 400888 407984 501110 509980 801776 1002220 1019960 2004440 2039920 2154773 4008880 4309546 8619092 10773865 17238184 21547730 29715823 34476368 43095460 59431646 86190920 118863292 148579115 172381840 237726584 297158230 475453168 594316460 1188632920 1277780389 2377265840 2555560778 5111121556 6388901945 10222243112 12777803890 20444486224 25555607780 51111215560 102222431120