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4120031055 = 357235332189
BaseRepresentation
bin1111010110010010…
…1010111101001111
3101122010120021002210
43311210222331033
531414211443210
61520454321503
7204045454230
oct36544527517
911563507083
104120031055
111824717348
1296b959293
135087597ca
142b127b087
15191a84e20
hexf592af4f

4120031055 has 64 divisors (see below), whose sum is σ = 8009902080. Its totient is φ = 1767507456.

The previous prime is 4120031053. The next prime is 4120031057. The reversal of 4120031055 is 5501300214.

It is an interprime number because it is at equal distance from previous prime (4120031053) and next prime (4120031057).

It is not a de Polignac number, because 4120031055 - 21 = 4120031053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120031051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111901 + ... + 144089.

It is an arithmetic number, because the mean of its divisors is an integer number (125154720).

Almost surely, 24120031055 is an apocalyptic number.

4120031055 is a deficient number, since it is larger than the sum of its proper divisors (3889871025).

4120031055 is a wasteful number, since it uses less digits than its factorization.

4120031055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32280.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 4120031055 is about 64187.4680525724. The cubic root of 4120031055 is about 1603.1229441663.

Adding to 4120031055 its reverse (5501300214), we get a palindrome (9621331269).

The spelling of 4120031055 in words is "four billion, one hundred twenty million, thirty-one thousand, fifty-five".

Divisors: 1 3 5 7 15 21 23 35 53 69 105 115 159 161 265 345 371 483 795 805 1113 1219 1855 2415 3657 5565 6095 8533 18285 25599 32189 42665 96567 127995 160945 225323 482835 675969 740347 1126615 1706017 2221041 3379845 3701735 5118051 5182429 8530085 11105205 11942119 15547287 25590255 25912145 35826357 39238391 59710595 77736435 117715173 179131785 196191955 274668737 588575865 824006211 1373343685 4120031055