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131121102244 = 22112980025051
BaseRepresentation
bin111101000011101101…
…1010011110110100100
3110112110001111010210011
41322013123103312210
54122014000232434
6140123004140004
712321205660006
oct1720733236644
9415401433704
10131121102244
1150676497910
12214b4237604
13c498233542
1464bc33c376
1536264b6e64
hex1e876d3da4

131121102244 has 12 divisors (see below), whose sum is σ = 250322104368. Its totient is φ = 59600501000.

The previous prime is 131121102197. The next prime is 131121102253. The reversal of 131121102244 is 442201121131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490012482 + ... + 1490012569.

It is an arithmetic number, because the mean of its divisors is an integer number (20860175364).

Almost surely, 2131121102244 is an apocalyptic number.

It is an amenable number.

131121102244 is a deficient number, since it is larger than the sum of its proper divisors (119201002124).

131121102244 is a wasteful number, since it uses less digits than its factorization.

131121102244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980025066 (or 2980025064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131121102244 its reverse (442201121131), we get a palindrome (573322223375).

The spelling of 131121102244 in words is "one hundred thirty-one billion, one hundred twenty-one million, one hundred two thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 2980025051 5960050102 11920100204 32780275561 65560551122 131121102244