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101200313220 = 223512713280881
BaseRepresentation
bin101111001000000000…
…0100011101110000100
3100200012211020120102220
41132100000203232010
53124224240010340
6114254001532340
710211560316646
oct1362000435604
9320184216386
10101200313220
1139a11a361a6
12177439440b0
13970a3b3656
144c80632896
1529747d7ed0
hex1790023b84

101200313220 has 48 divisors (see below), whose sum is σ = 285592086528. Its totient is φ = 26774254080.

The previous prime is 101200313213. The next prime is 101200313231. The reversal of 101200313220 is 22313002101.

It is a super-2 number, since 2×1012003132202 (a number of 23 digits) contains 22 as substring.

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 101200313220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6632821 + ... + 6648060.

It is an arithmetic number, because the mean of its divisors is an integer number (5949835136).

Almost surely, 2101200313220 is an apocalyptic number.

101200313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200313220 is an abundant number, since it is smaller than the sum of its proper divisors (184391773308).

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

101200313220 is a wasteful number, since it uses less digits than its factorization.

101200313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281020 (or 13281018 counting only the distinct ones).

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

Adding to 101200313220 its reverse (22313002101), we get a palindrome (123513315321).

The spelling of 101200313220 in words is "one hundred one billion, two hundred million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 127 254 381 508 635 762 1270 1524 1905 2540 3810 7620 13280881 26561762 39842643 53123524 66404405 79685286 132808810 159370572 199213215 265617620 398426430 796852860 1686671887 3373343774 5060015661 6746687548 8433359435 10120031322 16866718870 20240062644 25300078305 33733437740 50600156610 101200313220