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40043103425 = 5213165774357
BaseRepresentation
bin100101010010110000…
…010100010011000001
310211100200011102021122
4211102300110103001
51124002013302200
630221234402025
72615206522523
oct452260242301
9124320142248
1040043103425
1115a89319306
127916430315
133a11c94850
141d1c1cba13
15109569d385
hex952c144c1

40043103425 has 24 divisors (see below), whose sum is σ = 53505934776. Its totient is φ = 29552048640.

The previous prime is 40043103379. The next prime is 40043103449. The reversal of 40043103425 is 52430134004.

It can be written as a sum of positive squares in 12 ways, for example, as 31757734849 + 8285368576 = 178207^2 + 91024^2 .

It is not a de Polignac number, because 40043103425 - 210 = 40043102401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40043103394 and 40043103403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 501347 + ... + 575703.

It is an arithmetic number, because the mean of its divisors is an integer number (2229413949).

Almost surely, 240043103425 is an apocalyptic number.

It is an amenable number.

40043103425 is a deficient number, since it is larger than the sum of its proper divisors (13462831351).

40043103425 is a wasteful number, since it uses less digits than its factorization.

40043103425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76037 (or 76032 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40043103425 its reverse (52430134004), we get a palindrome (92473237429).

The spelling of 40043103425 in words is "forty billion, forty-three million, one hundred three thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 1657 8285 21541 41425 74357 107705 371785 538525 966641 1858925 4833205 24166025 123209549 616047745 1601724137 3080238725 8008620685 40043103425