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1220201302 = 25910340689
BaseRepresentation
bin100100010111010…
…1100101101010110
310011001000122111211
41020232230231112
54444332420202
6321025052034
742144353125
oct11056545526
93131018454
101220201302
11576854331
122a078701a
13165a48408
14b80ababc
15721cb1d7
hex48bacb56

1220201302 has 8 divisors (see below), whose sum is σ = 1861324200. Its totient is φ = 599759904.

The previous prime is 1220201291. The next prime is 1220201309. The reversal of 1220201302 is 2031020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220201309) 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, 5170227 + ... + 5170462.

It is an arithmetic number, because the mean of its divisors is an integer number (232665525).

Almost surely, 21220201302 is an apocalyptic number.

1220201302 is a deficient number, since it is larger than the sum of its proper divisors (641122898).

1220201302 is a wasteful number, since it uses less digits than its factorization.

1220201302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340750.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220201302 is about 34931.3799040347. The cubic root of 1220201302 is about 1068.5884966359.

Adding to 1220201302 its reverse (2031020221), we get a palindrome (3251221523).

The spelling of 1220201302 in words is "one billion, two hundred twenty million, two hundred one thousand, three hundred two".

Divisors: 1 2 59 118 10340689 20681378 610100651 1220201302