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111870145360 = 2451398376817
BaseRepresentation
bin110100000101111111…
…0101111001101010000
3101200202102102012112001
41220023332233031100
53313102224122420
6123220433243344
711040150355201
oct1501376571520
9350672365461
10111870145360
1143497864a96
1219821103554
13a71aaa99ac
1455b37195a8
152d9b3a9b0a
hex1a0bfaf350

111870145360 has 20 divisors (see below), whose sum is σ = 260098088148. Its totient is φ = 44748058112.

The previous prime is 111870145333. The next prime is 111870145363. The reversal of 111870145360 is 63541078111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25219980864 + 86650164496 = 158808^2 + 294364^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×1118701453603 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111870145363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699188329 + ... + 699188488.

Almost surely, 2111870145360 is an apocalyptic number.

111870145360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111870145360 is an abundant number, since it is smaller than the sum of its proper divisors (148227942788).

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

111870145360 is a wasteful number, since it uses less digits than its factorization.

111870145360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398376830 (or 1398376824 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 111870145360 in words is "one hundred eleven billion, eight hundred seventy million, one hundred forty-five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1398376817 2796753634 5593507268 6991884085 11187014536 13983768170 22374029072 27967536340 55935072680 111870145360