Base | Representation |
---|---|
bin | 101001001001111100… |
… | …1100101011111100010 |
3 | 22110010101212100202122 |
4 | 1102103321211133202 |
5 | 2422000424124300 |
6 | 104333532544242 |
7 | 6246104330201 |
oct | 1222371453742 |
9 | 273111770678 |
10 | 88380692450 |
11 | 34533662396 |
12 | 15166622082 |
13 | 84464b932b |
14 | 43c5c1d238 |
15 | 2474116c85 |
hex | 1493e657e2 |
88380692450 has 18 divisors (see below), whose sum is σ = 164391998049. Its totient is φ = 35351436120.
The previous prime is 88380692447. The next prime is 88380692453. The reversal of 88380692450 is 5429608388.
It is an interprime number because it is at equal distance from previous prime (88380692447) and next prime (88380692453).
It can be written as a sum of positive squares in 2 ways, for example, as 86613078601 + 1767613849 = 294301^2 + 42043^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=210215.
It is a super-2 number, since 2×883806924502 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 88380692392 and 88380692401.
It is not an unprimeable number, because it can be changed into a prime (88380692453) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2081129 + ... + 2123171.
Almost surely, 288380692450 is an apocalyptic number.
88380692450 is a deficient number, since it is larger than the sum of its proper divisors (76011305599).
88380692450 is an frugal number, since it uses more digits than its factorization.
88380692450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84098 (or 42050 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 53.
The spelling of 88380692450 in words is "eighty-eight billion, three hundred eighty million, six hundred ninety-two thousand, four hundred fifty".
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