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276529140040 = 23531223007371
BaseRepresentation
bin1000000011000100110…
…10111101000101001000
3222102202210100210201111
410001202122331011020
514012312424440130
6331011415100104
725656435623236
oct4014232750510
9872683323644
10276529140040
11a730354387a
1245715071634
13200cc34b0aa
14d553cc5956
1572d6d9002a
hex40626bd148

276529140040 has 32 divisors (see below), whose sum is σ = 642261231360. Its totient is φ = 107043537600.

The previous prime is 276529140031. The next prime is 276529140077. The reversal of 276529140040 is 40041925672.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 276529139975 and 276529140002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111502446 + ... + 111504925.

It is an arithmetic number, because the mean of its divisors is an integer number (20070663480).

Almost surely, 2276529140040 is an apocalyptic number.

276529140040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276529140040 is an abundant number, since it is smaller than the sum of its proper divisors (365732091320).

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

276529140040 is a wasteful number, since it uses less digits than its factorization.

276529140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223007413 (or 223007409 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 276529140040 in words is "two hundred seventy-six billion, five hundred twenty-nine million, one hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 223007371 446014742 892029484 1115036855 1784058968 2230073710 4460147420 6913228501 8920294840 13826457002 27652914004 34566142505 55305828008 69132285010 138264570020 276529140040