Search a number
-
+
1869116990907 = 35367199881681
BaseRepresentation
bin11011001100110000000…
…011011110010110111011
320121200111222101002120210
4123030300003132112323
5221110422422202112
63550354355522203
7252016314166125
oct33146003362673
96550458332523
101869116990907
116607628a4981
122622b75b9363
13107345764a6a
146667400c215
1533947896b3c
hex1b3300de5bb

1869116990907 has 32 divisors (see below), whose sum is σ = 2590029043200. Its totient is φ = 1198266600960.

The previous prime is 1869116990903. The next prime is 1869116990927. The reversal of 1869116990907 is 7090996119681.

It is not a de Polignac number, because 1869116990907 - 22 = 1869116990903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1869116990903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1679107 + ... + 2560787.

It is an arithmetic number, because the mean of its divisors is an integer number (80938407600).

Almost surely, 21869116990907 is an apocalyptic number.

1869116990907 is a deficient number, since it is larger than the sum of its proper divisors (720912052293).

1869116990907 is a wasteful number, since it uses less digits than its factorization.

1869116990907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882003.

The product of its (nonzero) digits is 13226976, while the sum is 66.

The spelling of 1869116990907 in words is "one trillion, eight hundred sixty-nine billion, one hundred sixteen million, nine hundred ninety thousand, nine hundred seven".

Divisors: 1 3 53 67 159 199 201 597 3551 10547 10653 13333 31641 39999 706649 881681 2119947 2645043 46729093 59072627 140187279 175454519 177217881 526363557 3130849231 9299089507 9392547693 11755452773 27897268521 35266358319 623038996969 1869116990907