Search a number
-
+
1980462268512 = 2532713267101859
BaseRepresentation
bin11100110100011100110…
…000000000000001100000
321000022220211011020220100
4130310130300000001200
5224421441320043022
64113451203342400
7263040462345540
oct34643460000140
97008824136810
101980462268512
116a3a00357a62
1227b9b0981a00
131149ab890700
146bbd7b3b320
15367b2b251ac
hex1cd1cc00060

1980462268512 has 864 divisors, whose sum is σ = 7152082479360. Its totient is φ = 508836556800.

The previous prime is 1980462268511. The next prime is 1980462268513. The reversal of 1980462268512 is 2158622640891.

1980462268512 is a `hidden beast` number, since 1 + 9 + 8 + 0 + 4 + 62 + 2 + 68 + 512 = 666.

It is an interprime number because it is at equal distance from previous prime (1980462268511) and next prime (1980462268513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980462268511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2305543539 + ... + 2305544397.

It is an arithmetic number, because the mean of its divisors is an integer number (8277873240).

Almost surely, 21980462268512 is an apocalyptic number.

1980462268512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1980462268512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3576041239680).

1980462268512 is an abundant number, since it is smaller than the sum of its proper divisors (5171620210848).

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

1980462268512 is a wasteful number, since it uses less digits than its factorization.

1980462268512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 1980462268512 in words is "one trillion, nine hundred eighty billion, four hundred sixty-two million, two hundred sixty-eight thousand, five hundred twelve".