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2130440044 = 222323156957
BaseRepresentation
bin111111011111011…
…1110111101101100
312111110210120022211
41332332332331230
513330343040134
6551222420204
7103536304315
oct17676767554
95443716284
102130440044
119a363a157
124b5591664
1327c4b8215
14162d3160c
15c707b764
hex7efbef6c

2130440044 has 12 divisors (see below), whose sum is σ = 3890368944. Its totient is φ = 1018906064.

The previous prime is 2130440033. The next prime is 2130440069. The reversal of 2130440044 is 4400440312.

It is a junction number, because it is equal to n+sod(n) for n = 2130439997 and 2130440024.

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, 11578387 + ... + 11578570.

It is an arithmetic number, because the mean of its divisors is an integer number (324197412).

Almost surely, 22130440044 is an apocalyptic number.

It is an amenable number.

2130440044 is a deficient number, since it is larger than the sum of its proper divisors (1759928900).

2130440044 is a wasteful number, since it uses less digits than its factorization.

2130440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23156984 (or 23156982 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2130440044 is about 46156.6901326341. The cubic root of 2130440044 is about 1286.7369494869.

Adding to 2130440044 its reverse (4400440312), we get a palindrome (6530880356).

The spelling of 2130440044 in words is "two billion, one hundred thirty million, four hundred forty thousand, forty-four".

Divisors: 1 2 4 23 46 92 23156957 46313914 92627828 532610011 1065220022 2130440044