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1120031055 = 3251121315823
BaseRepresentation
bin100001011000010…
…0101000101001111
32220001112110202200
41002300211011033
54243211443210
6303050052543
736520051443
oct10260450517
92801473680
101120031055
11525256a00
1227311a153
1314b075290
14a8a74823
15684e10c0
hex42c2514f

1120031055 has 72 divisors (see below), whose sum is σ = 2298214464. Its totient is φ = 501240960.

The previous prime is 1120031051. The next prime is 1120031083. The reversal of 1120031055 is 5501300211.

It is not a de Polignac number, because 1120031055 - 22 = 1120031051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120031051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62874 + ... + 78696.

Almost surely, 21120031055 is an apocalyptic number.

1120031055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120031055 is an abundant number, since it is smaller than the sum of its proper divisors (1178183409).

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

1120031055 is a wasteful number, since it uses less digits than its factorization.

1120031055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15869 (or 15855 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1120031055 is about 33466.8650309526. The cubic root of 1120031055 is about 1038.5084186687.

Adding to 1120031055 its reverse (5501300211), we get a palindrome (6621331266).

The spelling of 1120031055 in words is "one billion, one hundred twenty million, thirty-one thousand, fifty-five".

Divisors: 1 3 5 9 11 13 15 33 39 45 55 65 99 117 121 143 165 195 363 429 495 585 605 715 1089 1287 1573 1815 2145 4719 5445 6435 7865 14157 15823 23595 47469 70785 79115 142407 174053 205699 237345 522159 617097 712035 870265 1028495 1566477 1851291 1914583 2262689 2610795 3085485 5743749 6788067 7832385 9256455 9572915 11313445 17231247 20364201 24889579 28718745 33940335 74668737 86156235 101821005 124447895 224006211 373343685 1120031055