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22400400130 = 252578716109
BaseRepresentation
bin10100110111001010…
…101111101100000010
32010211010022020012021
4110313022233230002
5331334000301010
614142434152054
71422050155003
oct246712575402
963733266167
1022400400130
119555495189
124411a2262a
13215caa3744
14112700b1aa
158b18708da
hex5372afb02

22400400130 has 16 divisors (see below), whose sum is σ = 40477614840. Its totient is φ = 8925294592.

The previous prime is 22400400119. The next prime is 22400400133. The reversal of 22400400130 is 3100400422.

It can be written as a sum of positive squares in 4 ways, for example, as 20972542761 + 1427857369 = 144819^2 + 37787^2 .

It is not an unprimeable number, because it can be changed into a prime (22400400133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4355485 + ... + 4360624.

Almost surely, 222400400130 is an apocalyptic number.

22400400130 is a deficient number, since it is larger than the sum of its proper divisors (18077214710).

22400400130 is a wasteful number, since it uses less digits than its factorization.

22400400130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716373.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22400400130 its reverse (3100400422), we get a palindrome (25500800552).

The spelling of 22400400130 in words is "twenty-two billion, four hundred million, four hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 257 514 1285 2570 8716109 17432218 43580545 87161090 2240040013 4480080026 11200200065 22400400130