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105056105478 = 2341950398293
BaseRepresentation
bin110000111010111010…
…1001111010000000110
3101001011112121010001120
41201311311033100012
53210123330333403
6120132340534410
710406250106542
oct1416565172006
9331145533046
10105056105478
1140610483a75
121843b0b1406
139ba318372c
145128768a22
152aed074e53
hex1875d4f406

105056105478 has 32 divisors (see below), whose sum is σ = 210680870400. Its totient is φ = 34923980256.

The previous prime is 105056105477. The next prime is 105056105507. The reversal of 105056105478 is 874501650501.

It is a super-2 number, since 2×1050561054782 (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105056105477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663900 + ... + 12672192.

It is an arithmetic number, because the mean of its divisors is an integer number (6583777200).

Almost surely, 2105056105478 is an apocalyptic number.

105056105478 is an abundant number, since it is smaller than the sum of its proper divisors (105624764922).

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

105056105478 is a wasteful number, since it uses less digits than its factorization.

105056105478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756.

The product of its (nonzero) digits is 168000, while the sum is 42.

Adding to 105056105478 its reverse (874501650501), we get a palindrome (979557755979).

The spelling of 105056105478 in words is "one hundred five billion, fifty-six million, one hundred five thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 419 838 1257 2514 5039 8293 10078 15117 16586 24879 30234 49758 2111341 3474767 4222682 6334023 6949534 10424301 12668046 20848602 41788427 83576854 125365281 250730562 17509350913 35018701826 52528052739 105056105478