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61246366970 = 2518947323251
BaseRepresentation
bin111001000010100100…
…010110010011111010
312212002100211210210212
4321002210112103322
52000413032220340
644045230111122
74265512346435
oct710244262372
9185070753725
1061246366970
1123a79a83008
12ba5334b4a2
135a10a37239
142d7021281c
1518d6d9ba65
hexe429164fa

61246366970 has 16 divisors (see below), whose sum is σ = 110249620128. Its totient is φ = 24497178000.

The previous prime is 61246366969. The next prime is 61246366997. The reversal of 61246366970 is 7966364216.

It is a super-2 number, since 2×612463669702 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27845 + ... + 351095.

It is an arithmetic number, because the mean of its divisors is an integer number (6890601258).

Almost surely, 261246366970 is an apocalyptic number.

61246366970 is a deficient number, since it is larger than the sum of its proper divisors (49003253158).

61246366970 is a wasteful number, since it uses less digits than its factorization.

61246366970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342205.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 61246366970 in words is "sixty-one billion, two hundred forty-six million, three hundred sixty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 18947 37894 94735 189470 323251 646502 1616255 3232510 6124636697 12249273394 30623183485 61246366970