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1202010401 = 17361711261
BaseRepresentation
bin100011110100101…
…0011100100100001
310002202210110021202
41013221103210201
54430203313101
6315135130545
741533630334
oct10751234441
93082713252
101202010401
1156755a229
12296673a55
13162049577
14b58d461b
15707d636b
hex47a53921

1202010401 has 8 divisors (see below), whose sum is σ = 1211025384. Its totient is φ = 1193019520.

The previous prime is 1202010371. The next prime is 1202010409. The reversal of 1202010401 is 1040102021.

It can be written as a sum of positive squares in 4 ways, for example, as 464833600 + 737176801 = 21560^2 + 27151^2 .

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 1202010401 - 218 = 1201748257 is a prime.

It is a super-2 number, since 2×12020104012 = 2889658008224361602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202010409) 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, 101111 + ... + 112371.

It is an arithmetic number, because the mean of its divisors is an integer number (151378173).

Almost surely, 21202010401 is an apocalyptic number.

It is an amenable number.

1202010401 is a deficient number, since it is larger than the sum of its proper divisors (9014983).

1202010401 is a wasteful number, since it uses less digits than its factorization.

1202010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202010401 is about 34670.0216469503. The cubic root of 1202010401 is about 1063.2516741590.

Adding to 1202010401 its reverse (1040102021), we get a palindrome (2242112422).

The spelling of 1202010401 in words is "one billion, two hundred two million, ten thousand, four hundred one".

Divisors: 1 173 617 11261 106741 1948153 6948037 1202010401