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103143220434 = 232127216120879
BaseRepresentation
bin110000000001111010…
…0001010010011010010
3100212020020011111002100
41200003310022103102
53142214131023214
6115214445101230
710310661623322
oct1400364122322
9325206144070
10103143220434
113a819728141
1217ba6557816
139959a8b0a7
144dc66a9282
152a3a16e309
hex1803d0a4d2

103143220434 has 48 divisors (see below), whose sum is σ = 225351659520. Its totient is φ = 34092938880.

The previous prime is 103143220373. The next prime is 103143220441. The reversal of 103143220434 is 434022341301.

103143220434 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 4 + 3 + 220 + 434 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 103143220398 and 103143220407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4929607 + ... + 4950485.

It is an arithmetic number, because the mean of its divisors is an integer number (4694826240).

Almost surely, 2103143220434 is an apocalyptic number.

103143220434 is an abundant number, since it is smaller than the sum of its proper divisors (122208439086).

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

103143220434 is a wasteful number, since it uses less digits than its factorization.

103143220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23175 (or 23172 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103143220434 its reverse (434022341301), we get a palindrome (537165561735).

The spelling of 103143220434 in words is "one hundred three billion, one hundred forty-three million, two hundred twenty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2161 2286 4322 6483 12966 19449 20879 38898 41758 62637 125274 187911 274447 375822 548894 823341 1646682 2470023 2651633 4940046 5303266 7954899 15909798 23864697 45119519 47729394 90239038 135358557 270717114 406075671 812151342 5730178913 11460357826 17190536739 34381073478 51571610217 103143220434