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1694369243892 = 2231379358138393
BaseRepresentation
bin11000101010000000010…
…001101110001011110100
312222222110111122202221110
4120222000101232023310
5210230032011301032
63334214341115020
7233262022641003
oct30520021561364
95888414582843
101694369243892
115a363a2a2146
122344689b8a70
13c3a17000120
145c0179b8c3a
152e11b3217cc
hex18a8046e2f4

1694369243892 has 96 divisors (see below), whose sum is σ = 4312856378880. Its totient is φ = 514587939840.

The previous prime is 1694369243891. The next prime is 1694369243899. The reversal of 1694369243892 is 2983429634961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694369243891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44113048 + ... + 44151440.

It is an arithmetic number, because the mean of its divisors is an integer number (44925587280).

Almost surely, 21694369243892 is an apocalyptic number.

1694369243892 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 1694369243892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156428189440).

1694369243892 is an abundant number, since it is smaller than the sum of its proper divisors (2618487134988).

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

1694369243892 is a wasteful number, since it uses less digits than its factorization.

1694369243892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42073 (or 42071 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 66.

The spelling of 1694369243892 in words is "one trillion, six hundred ninety-four billion, three hundred sixty-nine million, two hundred forty-three thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 79 156 158 237 316 474 948 1027 2054 3081 3581 4108 6162 7162 10743 12324 14324 21486 38393 42972 46553 76786 93106 115179 139659 153572 186212 230358 279318 282899 460716 499109 558636 565798 848697 998218 1131596 1497327 1697394 1996436 2994654 3033047 3394788 3677687 5989308 6066094 7355374 9099141 11033061 12132188 14710748 18198282 22066122 36396564 39429611 44132244 78859222 118288833 137485333 157718444 236577666 274970666 412455999 473155332 549941332 824911998 1649823996 1787309329 3574618658 5361927987 7149237316 10723855974 10861341307 21447711948 21722682614 32584023921 43445365228 65168047842 130336095684 141197436991 282394873982 423592310973 564789747964 847184621946 1694369243892