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1401115124501 = 5187127011531
BaseRepresentation
bin10100011000111000111…
…110000010001100010101
311221221112010021222201022
4110120320332002030111
5140423440432441001
62551355143410525
7203140640024621
oct24307076021425
94857463258638
101401115124501
114a0233a62894
121a7666753a45
13a2180951a61
144bb58764181
15266a5ed211b
hex14638f82315

1401115124501 has 4 divisors (see below), whose sum is σ = 1401142187904. Its totient is φ = 1401088061100.

The previous prime is 1401115124429. The next prime is 1401115124503. The reversal of 1401115124501 is 1054215111041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1401115124501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401115124503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13453895 + ... + 13557636.

It is an arithmetic number, because the mean of its divisors is an integer number (350285546976).

Almost surely, 21401115124501 is an apocalyptic number.

It is an amenable number.

1401115124501 is a deficient number, since it is larger than the sum of its proper divisors (27063403).

1401115124501 is an equidigital number, since it uses as much as digits as its factorization.

1401115124501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27063402.

The product of its (nonzero) digits is 800, while the sum is 26.

The spelling of 1401115124501 in words is "one trillion, four hundred one billion, one hundred fifteen million, one hundred twenty-four thousand, five hundred one".

Divisors: 1 51871 27011531 1401115124501