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43130221601 = 311132108959
BaseRepresentation
bin101000001010110000…
…101111010000100001
311010022211010021021212
4220022300233100201
51201312314042401
631451434155505
73054543556205
oct501260572041
9133284107255
1043130221601
1117322981945
128438282b95
1340b472c3ac
1421321d0b05
1511c66eedbb
hexa0ac2f421

43130221601 has 12 divisors (see below), whose sum is σ = 44919413760. Its totient is φ = 41369173440.

The previous prime is 43130221571. The next prime is 43130221613. The reversal of 43130221601 is 10612203134.

It is not a de Polignac number, because 43130221601 - 210 = 43130220577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43130221801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341360 + ... + 450318.

It is an arithmetic number, because the mean of its divisors is an integer number (3743284480).

Almost surely, 243130221601 is an apocalyptic number.

It is an amenable number.

43130221601 is a deficient number, since it is larger than the sum of its proper divisors (1789192159).

43130221601 is a wasteful number, since it uses less digits than its factorization.

43130221601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109216 (or 109103 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 43130221601 its reverse (10612203134), we get a palindrome (53742424735).

The spelling of 43130221601 in words is "forty-three billion, one hundred thirty million, two hundred twenty-one thousand, six hundred one".

Divisors: 1 31 113 3503 12769 108959 395839 3377729 12312367 381683377 1391297471 43130221601