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1013011236 = 223228139201
BaseRepresentation
bin111100011000010…
…101001100100100
32121121011022011200
4330120111030210
54033312324421
6244304202500
734050311346
oct7430251444
92547138150
101013011236
1147a900376
12243309430
13131b44543
1498777296
155de01726
hex3c615324

1013011236 has 18 divisors (see below), whose sum is σ = 2560667382. Its totient is φ = 337670400.

The previous prime is 1013011199. The next prime is 1013011247. The reversal of 1013011236 is 6321103101.

It can be written as a sum of positive squares in only one way, i.e., 994140900 + 18870336 = 31530^2 + 4344^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14069565 + ... + 14069636.

It is an arithmetic number, because the mean of its divisors is an integer number (142259299).

Almost surely, 21013011236 is an apocalyptic number.

It is an amenable number.

1013011236 is an abundant number, since it is smaller than the sum of its proper divisors (1547656146).

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

1013011236 is a wasteful number, since it uses less digits than its factorization.

1013011236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139211 (or 28139206 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1013011236 is about 31827.8374383180. The cubic root of 1013011236 is about 1004.3184032163.

Adding to 1013011236 its reverse (6321103101), we get a palindrome (7334114337).

The spelling of 1013011236 in words is "one billion, thirteen million, eleven thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 28139201 56278402 84417603 112556804 168835206 253252809 337670412 506505618 1013011236