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1916875008 = 28321276551
BaseRepresentation
bin111001001000001…
…0011000100000000
311221120221100011200
41302100103010000
512411210000013
6514113141200
765334111606
oct16220230400
94846840150
101916875008
118a4031624
12455b5a800
13247191789
1414281b876
15b3442e73
hex72413100

1916875008 has 108 divisors (see below), whose sum is σ = 5571191808. Its totient is φ = 633830400.

The previous prime is 1916875007. The next prime is 1916875063. The reversal of 1916875008 is 8005786191.

It is not an unprimeable number, because it can be changed into a prime (1916875007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289333 + ... + 295883.

Almost surely, 21916875008 is an apocalyptic number.

1916875008 is a gapful number since it is divisible by the number (18) 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 1916875008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785595904).

1916875008 is an abundant number, since it is smaller than the sum of its proper divisors (3654316800).

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

1916875008 is a wasteful number, since it uses less digits than its factorization.

1916875008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700 (or 6683 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 1916875008 is about 43782.1311495912. The cubic root of 1916875008 is about 1242.2183253307.

The spelling of 1916875008 in words is "one billion, nine hundred sixteen million, eight hundred seventy-five thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 127 128 144 192 254 256 288 381 384 508 576 762 768 1016 1143 1152 1524 2032 2286 2304 3048 4064 4572 6096 6551 8128 9144 12192 13102 16256 18288 19653 24384 26204 32512 36576 39306 48768 52408 58959 73152 78612 97536 104816 117918 146304 157224 209632 235836 292608 314448 419264 471672 628896 831977 838528 943344 1257792 1663954 1677056 1886688 2495931 2515584 3327908 3773376 4991862 5031168 6655816 7487793 7546752 9983724 13311632 14975586 15093504 19967448 26623264 29951172 39934896 53246528 59902344 79869792 106493056 119804688 159739584 212986112 239609376 319479168 479218752 638958336 958437504 1916875008