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1012303232101 = 719311791371653
BaseRepresentation
bin11101011101100011111…
…10010111110001100101
310120202221011010101002001
432232301332113301211
5113041144111411401
62053013511245301
7133064550333250
oct16566176276145
93522834111061
101012303232101
11360351869307
12144236379831
13745c91c0335
1436dd243a097
151b4eb933601
hexebb1f97c65

1012303232101 has 32 divisors (see below), whose sum is σ = 1264116326400. Its totient is φ = 791059141440.

The previous prime is 1012303231967. The next prime is 1012303232111. The reversal of 1012303232101 is 1012323032101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012303232101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012303232111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52191 + ... + 1423843.

It is an arithmetic number, because the mean of its divisors is an integer number (39503635200).

Almost surely, 21012303232101 is an apocalyptic number.

It is an amenable number.

1012303232101 is a deficient number, since it is larger than the sum of its proper divisors (251813094299).

1012303232101 is a wasteful number, since it uses less digits than its factorization.

1012303232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371889.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1012303232101 its reverse (1012323032101), we get a palindrome (2024626264202).

The spelling of 1012303232101 in words is "one trillion, twelve billion, three hundred three million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 7 19 31 133 179 217 589 1253 3401 4123 5549 23807 38843 105431 738017 1371653 9601571 26061407 42521243 182429849 245525887 297648701 807903617 1718681209 4664991853 5655325319 7611302497 32654942971 53279117479 144614747443 1012303232101