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1996271401 = 25775110343
BaseRepresentation
bin111011011111100…
…1010111100101001
312011010100002112211
41312333022330221
513042021141101
6530031005121
7100320012145
oct16677127451
95133302484
101996271401
11934930283
124786697a1
1325a7701a7
1414d1a8225
15ba3c7c51
hex76fcaf29

1996271401 has 8 divisors (see below), whose sum is σ = 2006901504. Its totient is φ = 1985664000.

The previous prime is 1996271377. The next prime is 1996271413. The reversal of 1996271401 is 1041726991.

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 1996271401 - 215 = 1996238633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996271201) 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, 187836 + ... + 198178.

It is an arithmetic number, because the mean of its divisors is an integer number (250862688).

Almost surely, 21996271401 is an apocalyptic number.

It is an amenable number.

1996271401 is a deficient number, since it is larger than the sum of its proper divisors (10630103).

1996271401 is a wasteful number, since it uses less digits than its factorization.

1996271401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1996271401 is about 44679.6530984743. The cubic root of 1996271401 is about 1259.1376061072.

The spelling of 1996271401 in words is "one billion, nine hundred ninety-six million, two hundred seventy-one thousand, four hundred one".

Divisors: 1 257 751 10343 193007 2658151 7767593 1996271401