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1401201023 = 31202922277
BaseRepresentation
bin101001110000100…
…1010000101111111
310121122121101110012
41103201022011333
510332201413043
6351012333435
746503004115
oct12341120577
93548541405
101401201023
11659a3a082
1233131427b
131943ac341
14d4145ab5
1583030a18
hex5384a17f

1401201023 has 8 divisors (see below), whose sum is σ = 1447178880. Its totient is φ = 1355271840.

The previous prime is 1401201007. The next prime is 1401201029. The reversal of 1401201023 is 3201021041.

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 1401201023 - 24 = 1401201007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401200989 and 1401201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401201029) 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, 51761 + ... + 74037.

It is an arithmetic number, because the mean of its divisors is an integer number (180897360).

Almost surely, 21401201023 is an apocalyptic number.

1401201023 is a deficient number, since it is larger than the sum of its proper divisors (45977857).

1401201023 is a wasteful number, since it uses less digits than its factorization.

1401201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24337.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1401201023 is about 37432.6197720651. The cubic root of 1401201023 is about 1119.0087485403.

Adding to 1401201023 its reverse (3201021041), we get a palindrome (4602222064).

The spelling of 1401201023 in words is "one billion, four hundred one million, two hundred one thousand, twenty-three".

Divisors: 1 31 2029 22277 62899 690587 45200033 1401201023