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61224996937 = 1323687198827
BaseRepresentation
bin111001000001010010…
…110101000001001001
312212000212122002122011
4321001102311001021
52000342044400222
644043144055521
74265132613226
oct710122650111
9185025562564
1061224996937
1123a68a07425
12ba481645a1
135a09494350
142d6b44c94d
1518d5079c77
hexe414b5049

61224996937 has 8 divisors (see below), whose sum is σ = 65937727296. Its totient is φ = 56512711632.

The previous prime is 61224996929. The next prime is 61224996941. The reversal of 61224996937 is 73969942216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61224996937 - 23 = 61224996929 is a prime.

It is a super-4 number, since 4×612249969374 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61224991937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208518 + ... + 407344.

It is an arithmetic number, because the mean of its divisors is an integer number (8242215912).

Almost surely, 261224996937 is an apocalyptic number.

It is an amenable number.

61224996937 is a deficient number, since it is larger than the sum of its proper divisors (4712730359).

61224996937 is a wasteful number, since it uses less digits than its factorization.

61224996937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222527.

The product of its digits is 8817984, while the sum is 58.

The spelling of 61224996937 in words is "sixty-one billion, two hundred twenty-four million, nine hundred ninety-six thousand, nine hundred thirty-seven".

Divisors: 1 13 23687 198827 307931 2584751 4709615149 61224996937