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10811478040 = 23511191293239
BaseRepresentation
bin10100001000110101…
…00001000000011000
31000220110200222201121
422010122201000120
5134120214244130
64544451255024
7531630022066
oct120432410030
930813628647
1010811478040
114648885520
1221188aa474
131033b5b8ac
14747c39036
15434250d7a
hex2846a1018

10811478040 has 64 divisors (see below), whose sum is σ = 27933984000. Its totient is φ = 3724525440.

The previous prime is 10811478031. The next prime is 10811478071. The reversal of 10811478040 is 4087411801.

It is a junction number, because it is equal to n+sod(n) for n = 10811477987 and 10811478005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638260 + ... + 654979.

It is an arithmetic number, because the mean of its divisors is an integer number (436468500).

Almost surely, 210811478040 is an apocalyptic number.

10811478040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10811478040 is an abundant number, since it is smaller than the sum of its proper divisors (17122505960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10811478040 is a wasteful number, since it uses less digits than its factorization.

10811478040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293280 (or 1293276 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

Adding to 10811478040 its reverse (4087411801), we get a palindrome (14898889841).

The spelling of 10811478040 in words is "ten billion, eight hundred eleven million, four hundred seventy-eight thousand, forty".

Divisors: 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1045 1672 2090 4180 8360 1293239 2586478 5172956 6466195 10345912 12932390 14225629 24571541 25864780 28451258 49143082 51729560 56902516 71128145 98286164 113805032 122857705 142256290 196572328 245715410 270286951 284512580 491430820 540573902 569025160 982861640 1081147804 1351434755 2162295608 2702869510 5405739020 10811478040