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1930885402589 = 111323587073701
BaseRepresentation
bin11100000110010001101…
…111010000111111011101
320211120221201112112002222
4130012101233100333131
5223113423130340324
64035011515155125
7256334066056043
oct34062157207735
96746851475088
101930885402589
1168497a5208a0
12272275745aa5
1311010a6a20a0
14696536b4393
15353604b355e
hex1c191bd0fdd

1930885402589 has 16 divisors (see below), whose sum is σ = 2367081166464. Its totient is φ = 1549874568000.

The previous prime is 1930885402561. The next prime is 1930885402639. The reversal of 1930885402589 is 9852045880391.

It is not a de Polignac number, because 1930885402589 - 216 = 1930885337053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930885402889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293533562 + ... + 293540139.

It is an arithmetic number, because the mean of its divisors is an integer number (147942572904).

Almost surely, 21930885402589 is an apocalyptic number.

It is an amenable number.

1930885402589 is a deficient number, since it is larger than the sum of its proper divisors (436195763875).

1930885402589 is a wasteful number, since it uses less digits than its factorization.

1930885402589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587073748.

The product of its (nonzero) digits is 24883200, while the sum is 62.

The spelling of 1930885402589 in words is "one trillion, nine hundred thirty billion, eight hundred eighty-five million, four hundred two thousand, five hundred eighty-nine".

Divisors: 1 11 13 23 143 253 299 3289 587073701 6457810711 7631958113 13502695123 83951539243 148529646353 175535036599 1930885402589