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61224480393 = 34710311337307
BaseRepresentation
bin111001000001010000…
…110110111010001001
312212000211122212001220
4321001100312322021
52000341431333033
644043125032253
74265125332246
oct710120667211
9185024585056
1061224480393
1123a6869432a
12ba47b55689
135a093431bb
142d6b3565cd
1518d4ec6bb3
hexe41436e89

61224480393 has 32 divisors (see below), whose sum is σ = 84926140416. Its totient is φ = 39208904448.

The previous prime is 61224480371. The next prime is 61224480509. The reversal of 61224480393 is 39308442216.

It is not a de Polignac number, because 61224480393 - 210 = 61224479369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61224480313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1622446 + ... + 1659752.

It is an arithmetic number, because the mean of its divisors is an integer number (2653941888).

Almost surely, 261224480393 is an apocalyptic number.

It is an amenable number.

61224480393 is a deficient number, since it is larger than the sum of its proper divisors (23701660023).

61224480393 is a wasteful number, since it uses less digits than its factorization.

61224480393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37573.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 61224480393 in words is "sixty-one billion, two hundred twenty-four million, four hundred eighty thousand, three hundred ninety-three".

Divisors: 1 3 47 103 113 141 309 339 4841 5311 11639 14523 15933 34917 37307 111921 547033 1641099 1753429 3842621 4215691 5260287 11527863 12647073 180603187 198137477 434216173 541809561 594412431 1302648519 20408160131 61224480393