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61241511041243 = 138081582958231
BaseRepresentation
bin11011110110010111001101…
…00000101101100011011011
322000211122001012110000100122
431323023212200231203123
531011340103311304433
6334125543424423455
715620360506604351
oct1573134640554333
9260748035400318
1061241511041243
1118571419468955
126a51022177b8b
1328230852a54a0
14111a167da77d1
15713073c51198
hex37b2e682d8db

61241511041243 has 8 divisors (see below), whose sum is σ = 65960558034336. Its totient is φ = 56523629980800.

The previous prime is 61241511041233. The next prime is 61241511041251. The reversal of 61241511041243 is 34214011514216.

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 61241511041243 - 240 = 60141999413467 is a prime.

It is a super-2 number, since 2×612415110412432 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61241511041203) 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, 291374063 + ... + 291584168.

It is an arithmetic number, because the mean of its divisors is an integer number (8245069754292).

Almost surely, 261241511041243 is an apocalyptic number.

61241511041243 is a deficient number, since it is larger than the sum of its proper divisors (4719046993093).

61241511041243 is a wasteful number, since it uses less digits than its factorization.

61241511041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582966325.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 61241511041243 its reverse (34214011514216), we get a palindrome (95455522555459).

The spelling of 61241511041243 in words is "sixty-one trillion, two hundred forty-one billion, five hundred eleven million, forty-one thousand, two hundred forty-three".

Divisors: 1 13 8081 105053 582958231 7578457003 4710885464711 61241511041243