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23031221300030 = 258519327034171
BaseRepresentation
bin1010011110010010111111…
…10000111010101100111110
310000112202121102010011011102
411033021133300322230332
511004320420123100110
6120552221430253102
74564644063655226
oct517113760725476
9100482542104142
1023031221300030
11737a539001609
1226bb7314b7192
13cb0ab121a268
14598a07875086
1529e16554a5a5
hex14f25fc3ab3e

23031221300030 has 16 divisors (see below), whose sum is σ = 41456686488624. Its totient is φ = 9212380042560.

The previous prime is 23031221299991. The next prime is 23031221300083. The reversal of 23031221300030 is 3000312213032.

It is a junction number, because it is equal to n+sod(n) for n = 23031221299975 and 23031221300011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12665156 + ... + 14369015.

It is an arithmetic number, because the mean of its divisors is an integer number (2591042905539).

Almost surely, 223031221300030 is an apocalyptic number.

23031221300030 is a deficient number, since it is larger than the sum of its proper divisors (18425465188594).

23031221300030 is a wasteful number, since it uses less digits than its factorization.

23031221300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27119371.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23031221300030 its reverse (3000312213032), we get a palindrome (26031533513062).

The spelling of 23031221300030 in words is "twenty-three trillion, thirty-one billion, two hundred twenty-one million, three hundred thousand, thirty".

Divisors: 1 2 5 10 85193 170386 425965 851930 27034171 54068342 135170855 270341710 2303122130003 4606244260006 11515610650015 23031221300030