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101310203220 = 22351688503387
BaseRepresentation
bin101111001011010001…
…1110000010101010100
3100200111111000120011220
41132112203300111110
53124440403000340
6114312525130340
710214363342652
oct1362643602524
9320444016156
10101310203220
1139a68a72186
12177746b99b0
1397270aa915
144c91079dd2
15297e292ed0
hex17968f0554

101310203220 has 24 divisors (see below), whose sum is σ = 283668569184. Its totient is φ = 27016054176.

The previous prime is 101310203171. The next prime is 101310203243. The reversal of 101310203220 is 22302013101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101310203220.

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, 844251634 + ... + 844251753.

It is an arithmetic number, because the mean of its divisors is an integer number (11819523716).

Almost surely, 2101310203220 is an apocalyptic number.

101310203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101310203220 is an abundant number, since it is smaller than the sum of its proper divisors (182358365964).

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

101310203220 is a wasteful number, since it uses less digits than its factorization.

101310203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688503399 (or 1688503397 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 101310203220 its reverse (22302013101), we get a palindrome (123612216321).

The spelling of 101310203220 in words is "one hundred one billion, three hundred ten million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1688503387 3377006774 5065510161 6754013548 8442516935 10131020322 16885033870 20262040644 25327550805 33770067740 50655101610 101310203220