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61075347174445 = 568317884435483
BaseRepresentation
bin11011110001100001101100…
…10111110111010000101101
322000020202010221210222200211
431320300312113313100231
531001124302334040240
6333521343244222421
715602356016210122
oct1570606627672055
9260222127728624
1061075347174445
1118507a002813aa
126a2498a23aa11
1328104c4027306
1411120c39ca749
1570da9b0acbea
hex378c365f742d

61075347174445 has 8 divisors (see below), whose sum is σ = 73397723226336. Its totient is φ = 48788739994896.

The previous prime is 61075347174353. The next prime is 61075347174449. The reversal of 61075347174445 is 54447174357016.

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

It is a cyclic number.

It is not a de Polignac number, because 61075347174445 - 211 = 61075347172397 is a prime.

It is a super-2 number, since 2×610753471744452 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61075347174445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61075347174449) 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, 8942214327 + ... + 8942221156.

It is an arithmetic number, because the mean of its divisors is an integer number (9174715403292).

Almost surely, 261075347174445 is an apocalyptic number.

It is an amenable number.

61075347174445 is a deficient number, since it is larger than the sum of its proper divisors (12322376051891).

61075347174445 is a wasteful number, since it uses less digits than its factorization.

61075347174445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17884436171.

The product of its (nonzero) digits is 39513600, while the sum is 58.

The spelling of 61075347174445 in words is "sixty-one trillion, seventy-five billion, three hundred forty-seven million, one hundred seventy-four thousand, four hundred forty-five".

Divisors: 1 5 683 3415 17884435483 89422177415 12215069434889 61075347174445