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1968573719748 = 223227722677577
BaseRepresentation
bin11100101001011000001…
…000110010010011000100
320222012020021202101220110
4130221120020302103010
5224223114333012443
64104203354433020
7262140043346526
oct34513010622304
96865207671813
101968573719748
1169995a5a9349
12279633432770
1311383584b97c
146b3cac51a16
153631906c233
hex1ca582324c4

1968573719748 has 24 divisors (see below), whose sum is σ = 4613573657952. Its totient is φ = 653300528704.

The previous prime is 1968573719747. The next prime is 1968573719779. The reversal of 1968573719748 is 8479173758691.

It is a self number, because there is not a number n which added to its sum of digits gives 1968573719748.

It is not an unprimeable number, because it can be changed into a prime (1968573719747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361336065 + ... + 361341512.

It is an arithmetic number, because the mean of its divisors is an integer number (192232235748).

Almost surely, 21968573719748 is an apocalyptic number.

It is an amenable number.

1968573719748 is an abundant number, since it is smaller than the sum of its proper divisors (2644999938204).

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

1968573719748 is a wasteful number, since it uses less digits than its factorization.

1968573719748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722677811 (or 722677809 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 75.

The spelling of 1968573719748 in words is "one trillion, nine hundred sixty-eight billion, five hundred seventy-three million, seven hundred nineteen thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 227 454 681 908 1362 2724 722677577 1445355154 2168032731 2890710308 4336065462 8672130924 164047809979 328095619958 492143429937 656191239916 984286859874 1968573719748