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2620011272 = 23180972
BaseRepresentation
bin1001110000101010…
…0011001100001000
320202121000100210112
42130022203030020
520331210330042
61111551533452
7121632504554
oct23412431410
96677010715
102620011272
111124a2327a
1261152a288
13329a5b538
141abd70864
15105034982
hex9c2a3308

2620011272 has 12 divisors (see below), whose sum is σ = 4912792605. Its totient is φ = 1309933248.

The previous prime is 2620011271. The next prime is 2620011299. The reversal of 2620011272 is 2721100262.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2193423556 + 426587716 = 46834^2 + 20654^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=36194.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620011271) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135728 + ... + 153824.

Almost surely, 22620011272 is an apocalyptic number.

It is an amenable number.

2620011272 is a deficient number, since it is larger than the sum of its proper divisors (2292781333).

2620011272 is an frugal number, since it uses more digits than its factorization.

2620011272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36200 (or 18099 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2620011272 is about 51186.0456765318. The cubic root of 2620011272 is about 1378.5876595842.

The spelling of 2620011272 in words is "two billion, six hundred twenty million, eleven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 18097 36194 72388 144776 327501409 655002818 1310005636 2620011272