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9840673427980 = 2251921362974159
BaseRepresentation
bin1000111100110011010111…
…0110000001001000001100
31021211202111110011210100111
42033030311312001020030
52242212144344143410
632532424251405404
72033652030002053
oct217146566011014
937752443153314
109840673427980
11315445167130a
12112b231753864
13564c825863c5
14260410c3739a
15120ea2679b8a
hex8f335d8120c

9840673427980 has 36 divisors (see below), whose sum is σ = 21810312508320. Its totient is φ = 3729097296288.

The previous prime is 9840673427971. The next prime is 9840673428029. The reversal of 9840673427980 is 897243760489.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 681479860 + ... + 681494299.

It is an arithmetic number, because the mean of its divisors is an integer number (605842014120).

Almost surely, 29840673427980 is an apocalyptic number.

It is an amenable number.

9840673427980 is an abundant number, since it is smaller than the sum of its proper divisors (11969639080340).

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

9840673427980 is a wasteful number, since it uses less digits than its factorization.

9840673427980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362974206 (or 1362974185 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 9840673427980 in words is "nine trillion, eight hundred forty billion, six hundred seventy-three million, four hundred twenty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 361 380 722 1444 1805 3610 7220 1362974159 2725948318 5451896636 6814870795 13629741590 25896509021 27259483180 51793018042 103586036084 129482545105 258965090210 492033671399 517930180420 984067342798 1968134685596 2460168356995 4920336713990 9840673427980