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61225665253422 = 2310204277542237
BaseRepresentation
bin11011110101111001101100…
…00001110101000000101110
322000210010010212210120220020
431322330312001311000232
531011110130301102142
6334114403214303010
715616260026616255
oct1572746601650056
9260703125716806
1061225665253422
1118565727981a3a
126a49b3b4b7a66
13282172b464487
1411194a36d979c
15712947a6ccec
hex37af3607502e

61225665253422 has 8 divisors (see below), whose sum is σ = 122451330506856. Its totient is φ = 20408555084472.

The previous prime is 61225665253411. The next prime is 61225665253427. The reversal of 61225665253422 is 22435256652216.

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

61225665253422 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61225665253427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102138771113 + ... + 5102138771124.

It is an arithmetic number, because the mean of its divisors is an integer number (15306416313357).

Almost surely, 261225665253422 is an apocalyptic number.

61225665253422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61225665253422 is a wasteful number, since it uses less digits than its factorization.

61225665253422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204277542242.

The product of its digits is 10368000, while the sum is 51.

The spelling of 61225665253422 in words is "sixty-one trillion, two hundred twenty-five billion, six hundred sixty-five million, two hundred fifty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 10204277542237 20408555084474 30612832626711 61225665253422