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1902681630068 = 221632918223359
BaseRepresentation
bin11011101100000000101…
…010011010010101110100
320201220011011011102121112
4123230000222122111310
5222133142444130233
64014025130334152
7254315140003022
oct33540052322564
96656134142545
101902681630068
11673a171a508a
1226890428a358
1310a5644a8bab
1468139a3d712
153475e3ea048
hex1bb00a9a574

1902681630068 has 12 divisors (see below), whose sum is σ = 3350120417280. Its totient is φ = 945504367992.

The previous prime is 1902681630067. The next prime is 1902681630103. The reversal of 1902681630068 is 8600361862091.

It is a junction number, because it is equal to n+sod(n) for n = 1902681629998 and 1902681630025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902681630067) 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, 1459111028 + ... + 1459112331.

It is an arithmetic number, because the mean of its divisors is an integer number (279176701440).

Almost surely, 21902681630068 is an apocalyptic number.

It is an amenable number.

1902681630068 is a deficient number, since it is larger than the sum of its proper divisors (1447438787212).

1902681630068 is a wasteful number, since it uses less digits than its factorization.

1902681630068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918223526 (or 2918223524 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 1902681630068 in words is "one trillion, nine hundred two billion, six hundred eighty-one million, six hundred thirty thousand, sixty-eight".

Divisors: 1 2 4 163 326 652 2918223359 5836446718 11672893436 475670407517 951340815034 1902681630068