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140730026401 = 315321616119
BaseRepresentation
bin1000001100010000101…
…0011100100110100001
3111110020201101001201001
42003010022130212201
54301203341321101
6144352300512001
713111264326106
oct2030412344641
9443221331631
10140730026401
1154757481848
122333624b601
1310369bb5393
146b50580aad
1539d9d75901
hex20c429c9a1

140730026401 has 12 divisors (see below), whose sum is σ = 148062449920. Its totient is φ = 133620636240.

The previous prime is 140730026389. The next prime is 140730026419. The reversal of 140730026401 is 104620037041.

It is not a de Polignac number, because 140730026401 - 25 = 140730026369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140730026401.

It is not an unprimeable number, because it can be changed into a prime (140730026461) 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, 720981 + ... + 895138.

Almost surely, 2140730026401 is an apocalyptic number.

It is an amenable number.

140730026401 is a deficient number, since it is larger than the sum of its proper divisors (7332423519).

140730026401 is an equidigital number, since it uses as much as digits as its factorization.

140730026401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616256 (or 1616203 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 140730026401 in words is "one hundred forty billion, seven hundred thirty million, twenty-six thousand, four hundred one".

Divisors: 1 31 53 1643 2809 87079 1616119 50099689 85654307 2655283517 4539678271 140730026401