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43142220430 = 2531139168453
BaseRepresentation
bin101000001011011110…
…100000101010001110
311010100122200212120221
4220023132200222032
51201323402023210
631452543301554
73055050552211
oct501336405216
9133318625527
1043142220430
1117329727831
1284402aa8ba
1340b70709aa
142133a35778
1511c77c01da
hexa0b7a0a8e

43142220430 has 16 divisors (see below), whose sum is σ = 80161029504. Its totient is φ = 16700214240.

The previous prime is 43142220413. The next prime is 43142220449. The reversal of 43142220430 is 3402224134.

It is a happy number.

It is a super-2 number, since 2×431422204302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43142220395 and 43142220404.

It is a congruent number.

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, 69583917 + ... + 69584536.

It is an arithmetic number, because the mean of its divisors is an integer number (5010064344).

Almost surely, 243142220430 is an apocalyptic number.

43142220430 is a deficient number, since it is larger than the sum of its proper divisors (37018809074).

43142220430 is a wasteful number, since it uses less digits than its factorization.

43142220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139168491.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43142220430 its reverse (3402224134), we get a palindrome (46544444564).

The spelling of 43142220430 in words is "forty-three billion, one hundred forty-two million, two hundred twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 139168453 278336906 695842265 1391684530 4314222043 8628444086 21571110215 43142220430