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61525250110441 = 1323263782395693
BaseRepresentation
bin11011111110100111101101…
…01011010111001111101001
322001211202102110120011112101
431333103312223113033221
531031012203012013231
6334504150521413401
715650024024110345
oct1577236653271751
9261752373504471
1061525250110441
1118670791800167
126a9800993a261
132843a6327c040
141129ba3654625
1571a62da76661
hex37f4f6ad73e9

61525250110441 has 16 divisors (see below), whose sum is σ = 69401627640576. Its totient is φ = 54116745224256.

The previous prime is 61525250110439. The next prime is 61525250110567. The reversal of 61525250110441 is 14401105252516.

It is not a de Polignac number, because 61525250110441 - 21 = 61525250110439 is a prime.

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 61525250110441.

It is not an unprimeable number, because it can be changed into a prime (61525250110421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391119210 + ... + 391276483.

It is an arithmetic number, because the mean of its divisors is an integer number (4337601727536).

Almost surely, 261525250110441 is an apocalyptic number.

It is an amenable number.

61525250110441 is a deficient number, since it is larger than the sum of its proper divisors (7876377530135).

61525250110441 is a wasteful number, since it uses less digits than its factorization.

61525250110441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782395992.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 61525250110441 its reverse (14401105252516), we get a palindrome (75926355362957).

The spelling of 61525250110441 in words is "sixty-one trillion, five hundred twenty-five billion, two hundred fifty million, one hundred ten thousand, four hundred forty-one".

Divisors: 1 13 23 263 299 3419 6049 78637 782395693 10171144009 17995100939 205770067259 233936312207 2675010874367 4732711546957 61525250110441