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11220231790 = 254149735503
BaseRepresentation
bin10100111001100011…
…10010011001101110
31001221221211211110101
422130301302121232
5140434334404130
65053212301314
7545022253015
oct123461623156
931857754411
1011220231790
11483858a239
12221177183a
13109a746711
1478623ba7c
1545a0931ca
hex29cc7266e

11220231790 has 32 divisors (see below), whose sum is σ = 20696933376. Its totient is φ = 4376951040.

The previous prime is 11220231773. The next prime is 11220231851. The reversal of 11220231790 is 9713202211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2036179 + ... + 2041681.

It is an arithmetic number, because the mean of its divisors is an integer number (646779168).

Almost surely, 211220231790 is an apocalyptic number.

11220231790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220231790 is a deficient number, since it is larger than the sum of its proper divisors (9476701586).

11220231790 is a wasteful number, since it uses less digits than its factorization.

11220231790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 11220231790 in words is "eleven billion, two hundred twenty million, two hundred thirty-one thousand, seven hundred ninety".

Divisors: 1 2 5 10 41 82 205 410 4973 5503 9946 11006 24865 27515 49730 55030 203893 225623 407786 451246 1019465 1128115 2038930 2256230 27366419 54732838 136832095 273664190 1122023179 2244046358 5610115895 11220231790