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11012032031 = 7111311001031
BaseRepresentation
bin10100100000101111…
…00100011000011111
31001102110002012002012
422100113210120133
5140023040011111
65020414021435
7536613504440
oct122027443037
931373065065
1011012032031
114741006720
122173aa787b
13106657b0b0
147667232c7
15446b6948b
hex2905e461f

11012032031 has 16 divisors (see below), whose sum is σ = 14785387008. Its totient is φ = 7920741600.

The previous prime is 11012031983. The next prime is 11012032051. The reversal of 11012032031 is 13023021011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11012032031 is a prime.

It is a super-2 number, since 2×110120320312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012031997 and 11012032015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012032051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499515 + ... + 5501516.

It is an arithmetic number, because the mean of its divisors is an integer number (924086688).

Almost surely, 211012032031 is an apocalyptic number.

11012032031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012032031 is a deficient number, since it is larger than the sum of its proper divisors (3773354977).

11012032031 is a wasteful number, since it uses less digits than its factorization.

11012032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001062.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11012032031 its reverse (13023021011), we get a palindrome (24035053042).

The spelling of 11012032031 in words is "eleven billion, twelve million, thirty-two thousand, thirty-one".

Divisors: 1 7 11 13 77 91 143 1001 11001031 77007217 121011341 143013403 847079387 1001093821 1573147433 11012032031