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103102052112 = 2432715986473
BaseRepresentation
bin110000000000101011…
…1000111011100010000
3100212010100200220202200
41200001113013130100
53142123111131422
6115210414443200
710306651661133
oct1400127073420
9325110626680
10103102052112
113a7a8469834
1217b94803500
1399513a5837
144dc103021a
152a3673b2ac
hex18015c7710

103102052112 has 30 divisors (see below), whose sum is σ = 288542549022. Its totient is φ = 34367350656.

The previous prime is 103102052107. The next prime is 103102052129. The reversal of 103102052112 is 211250201301.

103102052112 is a `hidden beast` number, since 103 + 10 + 20 + 521 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103056408576 + 45643536 = 321024^2 + 6756^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357993093 + ... + 357993380.

Almost surely, 2103102052112 is an apocalyptic number.

103102052112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103102052112 is an abundant number, since it is smaller than the sum of its proper divisors (185440496910).

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

103102052112 is a wasteful number, since it uses less digits than its factorization.

103102052112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715986487 (or 715986478 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 103102052112 its reverse (211250201301), we get a palindrome (314352253413).

The spelling of 103102052112 in words is "one hundred three billion, one hundred two million, fifty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 715986473 1431972946 2147959419 2863945892 4295918838 5727891784 6443878257 8591837676 11455783568 12887756514 17183675352 25775513028 34367350704 51551026056 103102052112