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10302212401 = 133755738453
BaseRepresentation
bin10011001100000111…
…10100100100110001
3222120222102121121021
421212003310210301
5132044331244101
64422140055441
7513204234445
oct114603644461
928528377537
1010302212401
11440736a728
121bb6234581
13c824b1290
146da350825
154046a75a1
hex2660f4931

10302212401 has 16 divisors (see below), whose sum is σ = 11415300624. Its totient is φ = 9235862784.

The previous prime is 10302212369. The next prime is 10302212429. The reversal of 10302212401 is 10421220301.

It can be written as a sum of positive squares in 8 ways, for example, as 401962401 + 9900250000 = 20049^2 + 99500^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302212401 - 25 = 10302212369 is a prime.

It is a super-2 number, since 2×103022124012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10302212101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248691 + ... + 287143.

It is an arithmetic number, because the mean of its divisors is an integer number (713456289).

Almost surely, 210302212401 is an apocalyptic number.

It is an amenable number.

10302212401 is a deficient number, since it is larger than the sum of its proper divisors (1113088223).

10302212401 is a wasteful number, since it uses less digits than its factorization.

10302212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39060.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10302212401 its reverse (10421220301), we get a palindrome (20723432702).

The spelling of 10302212401 in words is "ten billion, three hundred two million, two hundred twelve thousand, four hundred one".

Divisors: 1 13 37 481 557 7241 20609 38453 267917 499889 1422761 18495893 21418321 278438173 792477877 10302212401