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61004007293 = 311967871203
BaseRepresentation
bin111000110100000111…
…110100011101111101
312211110110210122211112
4320310013310131331
51444414011213133
644005211331405
74256510335445
oct706407643575
9184413718745
1061004007293
1123965198659
12b9a6150b65
1359a276b348
142d49d65125
1518c0976648
hexe341f477d

61004007293 has 4 divisors (see below), whose sum is σ = 62971878528. Its totient is φ = 59036136060.

The previous prime is 61004007287. The next prime is 61004007299. The reversal of 61004007293 is 39270040016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (61004007287) and next prime (61004007299).

It is a cyclic number.

It is not a de Polignac number, because 61004007293 - 222 = 60999812989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61004007299) 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, 983935571 + ... + 983935632.

It is an arithmetic number, because the mean of its divisors is an integer number (15742969632).

Almost surely, 261004007293 is an apocalyptic number.

It is an amenable number.

61004007293 is a deficient number, since it is larger than the sum of its proper divisors (1967871235).

61004007293 is a wasteful number, since it uses less digits than its factorization.

61004007293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967871234.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 61004007293 in words is "sixty-one billion, four million, seven thousand, two hundred ninety-three".

Divisors: 1 31 1967871203 61004007293