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1201011230 = 25211156893
BaseRepresentation
bin100011110010101…
…1111101000011110
310002200220200200102
41013211133220132
54424424324410
6315101501102
741522266316
oct10745375036
93080820612
101201011230
11566a37571
12296271792
13161a89843
14b5714446
157068a2a5
hex4795fa1e

1201011230 has 16 divisors (see below), whose sum is σ = 2162882304. Its totient is φ = 480168480.

The previous prime is 1201011181. The next prime is 1201011233. The reversal of 1201011230 is 321101021.

It is a super-2 number, since 2×12010112302 = 2884855949172225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201011233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7337 + ... + 49556.

It is an arithmetic number, because the mean of its divisors is an integer number (135180144).

Almost surely, 21201011230 is an apocalyptic number.

1201011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201011230 is a deficient number, since it is larger than the sum of its proper divisors (961871074).

1201011230 is a wasteful number, since it uses less digits than its factorization.

1201011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59011.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201011230 is about 34655.6089255405. The cubic root of 1201011230 is about 1062.9569832149.

Adding to 1201011230 its reverse (321101021), we get a palindrome (1522112251).

The spelling of 1201011230 in words is "one billion, two hundred one million, eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 2111 4222 10555 21110 56893 113786 284465 568930 120101123 240202246 600505615 1201011230