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43142994580 = 2257973176951
BaseRepresentation
bin101000001011100001…
…011101101010010100
311010100201011012112011
4220023201131222110
51201324101311310
631453012034004
73055060255210
oct501341355224
9133321135464
1043142994580
111732a106424
128440602904
1340b728217a
142133b97940
1511c78c478a
hexa0b85da94

43142994580 has 48 divisors (see below), whose sum is σ = 104610675456. Its totient is φ = 14639385600.

The previous prime is 43142994541. The next prime is 43142994607. The reversal of 43142994580 is 8549924134.

It is a happy number.

It is a super-2 number, since 2×431429945802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574896 + ... + 1602055.

It is an arithmetic number, because the mean of its divisors is an integer number (2179389072).

Almost surely, 243142994580 is an apocalyptic number.

It is an amenable number.

43142994580 is an abundant number, since it is smaller than the sum of its proper divisors (61467680876).

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

43142994580 is a wasteful number, since it uses less digits than its factorization.

43142994580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177064 (or 3177062 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 43142994580 in words is "forty-three billion, one hundred forty-two million, nine hundred ninety-four thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 97 140 194 388 485 679 970 1358 1940 2716 3395 6790 13580 3176951 6353902 12707804 15884755 22238657 31769510 44477314 63539020 88954628 111193285 222386570 308164247 444773140 616328494 1232656988 1540821235 2157149729 3081642470 4314299458 6163284940 8628598916 10785748645 21571497290 43142994580