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2195167140 = 2232512195373
BaseRepresentation
bin1000001011010111…
…1001011110100100
312122222121001012200
42002311321132210
513443430322030
61001454014500
7105253420125
oct20265713644
95588531180
102195167140
11a27129621
125131a7430
1328ca2b98a
1416b78004c
15ccab4d60
hex82d797a4

2195167140 has 36 divisors (see below), whose sum is σ = 6658674204. Its totient is φ = 585377856.

The previous prime is 2195167103. The next prime is 2195167141. The reversal of 2195167140 is 417615912.

2195167140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 659154276 + 1536012864 = 25674^2 + 39192^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2195167095 and 2195167104.

It is not an unprimeable number, because it can be changed into a prime (2195167141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6097507 + ... + 6097866.

Almost surely, 22195167140 is an apocalyptic number.

2195167140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2195167140 is an abundant number, since it is smaller than the sum of its proper divisors (4463507064).

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

2195167140 is a wasteful number, since it uses less digits than its factorization.

2195167140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195388 (or 12195383 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 2195167140 is about 46852.6108130593. The cubic root of 2195167140 is about 1299.6383885744.

The spelling of 2195167140 in words is "two billion, one hundred ninety-five million, one hundred sixty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 12195373 24390746 36586119 48781492 60976865 73172238 109758357 121953730 146344476 182930595 219516714 243907460 365861190 439033428 548791785 731722380 1097583570 2195167140