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1968979752094 = 23131757737937
BaseRepresentation
bin11100101001110000010…
…101101011010010011110
320222020021120202222120111
4130221300111223102132
5224224432304031334
64104311541240234
7262153103514355
oct34516025532236
96866246688514
101968979752094
1169a048814473
1227972740307a
1311389b9c2bb4
146b428b4699c
153633ea23064
hex1ca7056b49e

1968979752094 has 8 divisors (see below), whose sum is σ = 3048742842048. Its totient is φ = 952732138080.

The previous prime is 1968979752079. The next prime is 1968979752121. The reversal of 1968979752094 is 4902579798691.

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

It is a super-2 number, since 2×19689797520942 (a number of 25 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 1968979752094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15878868907 + ... + 15878869030.

It is an arithmetic number, because the mean of its divisors is an integer number (381092855256).

Almost surely, 21968979752094 is an apocalyptic number.

1968979752094 is a deficient number, since it is larger than the sum of its proper divisors (1079763089954).

1968979752094 is a wasteful number, since it uses less digits than its factorization.

1968979752094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31757737970.

The product of its (nonzero) digits is 617258880, while the sum is 76.

The spelling of 1968979752094 in words is "one trillion, nine hundred sixty-eight billion, nine hundred seventy-nine million, seven hundred fifty-two thousand, ninety-four".

Divisors: 1 2 31 62 31757737937 63515475874 984489876047 1968979752094