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1961224102 = 21182782913
BaseRepresentation
bin111010011100101…
…1110011110100110
312001200101111200201
41310321132132212
513004033132402
6522335501114
766413062345
oct16471363646
95050344621
101961224102
11917072772
1246898779a
1325341ba46
14148683b5c
15b72a3687
hex74e5e7a6

1961224102 has 8 divisors (see below), whose sum is σ = 2942120376. Its totient is φ = 980517312.

The previous prime is 1961224073. The next prime is 1961224103. The reversal of 1961224102 is 2014221691.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961224103) 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 3 ways as a sum of consecutive naturals, for example, 17803 + ... + 65110.

It is an arithmetic number, because the mean of its divisors is an integer number (367765047).

Almost surely, 21961224102 is an apocalyptic number.

1961224102 is a deficient number, since it is larger than the sum of its proper divisors (980896274).

1961224102 is a wasteful number, since it uses less digits than its factorization.

1961224102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94742.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1961224102 is about 44285.7099073731. The cubic root of 1961224102 is about 1251.7254256559.

Adding to 1961224102 its reverse (2014221691), we get a palindrome (3975445793).

The spelling of 1961224102 in words is "one billion, nine hundred sixty-one million, two hundred twenty-four thousand, one hundred two".

Divisors: 1 2 11827 23654 82913 165826 980612051 1961224102