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61074638211 = 323578637341
BaseRepresentation
bin111000111000010101…
…010000010110000011
312211122101201002020110
4320320111100112003
52000040101410321
644020213242403
74261325600466
oct707025202603
9184571632213
1061074638211
11239a104a714
12ba05933403
1359b429b0a2
142d554ad2dd
1518c6c79176
hexe38550583

61074638211 has 8 divisors (see below), whose sum is σ = 81467409744. Its totient is φ = 40699146080.

The previous prime is 61074638159. The next prime is 61074638213. The reversal of 61074638211 is 11283647016.

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 61074638211 - 26 = 61074638147 is a prime.

It is a super-2 number, since 2×610746382112 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61074638211.

It is not an unprimeable number, because it can be changed into a prime (61074638213) 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, 4311600 + ... + 4325741.

It is an arithmetic number, because the mean of its divisors is an integer number (10183426218).

Almost surely, 261074638211 is an apocalyptic number.

61074638211 is a deficient number, since it is larger than the sum of its proper divisors (20392771533).

61074638211 is a wasteful number, since it uses less digits than its factorization.

61074638211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639701.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 61074638211 in words is "sixty-one billion, seventy-four million, six hundred thirty-eight thousand, two hundred eleven".

Divisors: 1 3 2357 7071 8637341 25912023 20358212737 61074638211