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61235343344 = 247719760423
BaseRepresentation
bin111001000001111010…
…010010111111110000
312212001121002202020102
4321001322102333300
52000402221441334
644044153531532
74265316554540
oct710172227760
9185047082212
1061235343344
1123a7383387a
12ba4b713ba8
135a0b677796
142d6c983320
1518d5e2067e
hexe41e92ff0

61235343344 has 40 divisors (see below), whose sum is σ = 135781309440. Its totient is φ = 26207183808.

The previous prime is 61235343341. The next prime is 61235343373. The reversal of 61235343344 is 44334353216.

It is a junction number, because it is equal to n+sod(n) for n = 61235343298 and 61235343307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61235343341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299684 + ... + 460739.

It is an arithmetic number, because the mean of its divisors is an integer number (3394532736).

Almost surely, 261235343344 is an apocalyptic number.

It is an amenable number.

61235343344 is an abundant number, since it is smaller than the sum of its proper divisors (74545966096).

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

61235343344 is a wasteful number, since it uses less digits than its factorization.

61235343344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761157 (or 761151 counting only the distinct ones).

The product of its digits is 311040, while the sum is 38.

The spelling of 61235343344 in words is "sixty-one billion, two hundred thirty-five million, three hundred forty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 719 1438 2876 5033 5752 10066 11504 20132 40264 80528 760423 1520846 3041692 5322961 6083384 10645922 12166768 21291844 42583688 85167376 546744137 1093488274 2186976548 3827208959 4373953096 7654417918 8747906192 15308835836 30617671672 61235343344