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140641819169 = 237278411089
BaseRepresentation
bin1000001011111011100…
…1111101101000100001
3111110000120101200010112
42002332321331220201
54301013301203134
6144335430141105
713106143511135
oct2027671755041
9443016350115
10140641819169
1154711705405
12233107b1795
1310354840457
146b4297d3c5
1539d22501ce
hex20bee7da21

140641819169 has 8 divisors (see below), whose sum is σ = 146958564480. Its totient is φ = 134341897536.

The previous prime is 140641819147. The next prime is 140641819217. The reversal of 140641819169 is 961918146041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140641819169 - 28 = 140641818913 is a prime.

It is a super-2 number, since 2×1406418191692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140641819369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188824 + ... + 4222265.

It is an arithmetic number, because the mean of its divisors is an integer number (18369820560).

Almost surely, 2140641819169 is an apocalyptic number.

It is an amenable number.

140641819169 is a deficient number, since it is larger than the sum of its proper divisors (6316745311).

140641819169 is an equidigital number, since it uses as much as digits as its factorization.

140641819169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411839.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 140641819169 in words is "one hundred forty billion, six hundred forty-one million, eight hundred nineteen thousand, one hundred sixty-nine".

Divisors: 1 23 727 16721 8411089 193455047 6114861703 140641819169