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400013214132109 = 637139627827231
BaseRepresentation
bin101101011110011110101010…
…1100010001010011110001101
31221110022220000122222120122011
41122330331111202022132031
5404412304030304211414
63534431311135421221
7150154000230123664
oct13274752542123615
91843286018876564
10400013214132109
11106502719066736
1238a452a8084811
13142281130b4336
1470aca585d3ddb
15313a3dd27bdc4
hex16bcf5588a78d

400013214132109 has 4 divisors (see below), whose sum is σ = 400013842596480. Its totient is φ = 400012585667740.

The previous prime is 400013214132101. The next prime is 400013214132131. The reversal of 400013214132109 is 901231412310004.

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 not a de Polignac number, because 400013214132109 - 23 = 400013214132101 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 (400013214132101) 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, 313276477 + ... + 314550754.

It is an arithmetic number, because the mean of its divisors is an integer number (100003460649120).

Almost surely, 2400013214132109 is an apocalyptic number.

It is an amenable number.

400013214132109 is a deficient number, since it is larger than the sum of its proper divisors (628464371).

400013214132109 is an equidigital number, since it uses as much as digits as its factorization.

400013214132109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628464370.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 400013214132109 in words is "four hundred trillion, thirteen billion, two hundred fourteen million, one hundred thirty-two thousand, one hundred nine".

Divisors: 1 637139 627827231 400013214132109