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101200102000 = 245350600051
BaseRepresentation
bin101111000111111111…
…1110000001001110000
3100200012210211211200221
41132033333300021300
53124224211231000
6114253553222424
710211555450104
oct1361777601160
9320183754627
10101200102000
1139a11901538
1217743861a14
13970a33b47a
144c805b9904
15297479561a
hex178fff0270

101200102000 has 40 divisors (see below), whose sum is σ = 244701851472. Its totient is φ = 40480040000.

The previous prime is 101200101943. The next prime is 101200102013. The reversal of 101200102000 is 201002101.

101200102000 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, 25298026 + ... + 25302025.

Almost surely, 2101200102000 is an apocalyptic number.

101200102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200102000 is an abundant number, since it is smaller than the sum of its proper divisors (143501749472).

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

101200102000 is an equidigital number, since it uses as much as digits as its factorization.

101200102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50600074 (or 50600058 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 101200102000 its reverse (201002101), we get a palindrome (101401104101).

The spelling of 101200102000 in words is "one hundred one billion, two hundred million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 50600051 101200102 202400204 253000255 404800408 506000510 809600816 1012001020 1265001275 2024002040 2530002550 4048004080 5060005100 6325006375 10120010200 12650012750 20240020400 25300025500 50600051000 101200102000