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10220300406 = 232567794467
BaseRepresentation
bin10011000010010110…
…10110100001110110
3222101021022001110200
421201023112201312
5131412344103111
64410052301330
7511161056121
oct114113264166
928337261420
1010220300406
114375102a68
121b92911846
13c6b531844
146cd50b3b8
153ec3c7256
hex2612d6876

10220300406 has 12 divisors (see below), whose sum is σ = 22143984252. Its totient is φ = 3406766796.

The previous prime is 10220300383. The next prime is 10220300407. The reversal of 10220300406 is 60400302201.

It is a happy number.

10220300406 is a `hidden beast` number, since 10 + 220 + 30 + 0 + 406 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 567794467 = 10220300406 / (1 + 0 + 2 + 2 + 0 + 3 + 0 + 0 + 4 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220300407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283897216 + ... + 283897251.

It is an arithmetic number, because the mean of its divisors is an integer number (1845332021).

Almost surely, 210220300406 is an apocalyptic number.

10220300406 is an abundant number, since it is smaller than the sum of its proper divisors (11923683846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10220300406 is a wasteful number, since it uses less digits than its factorization.

10220300406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567794475 (or 567794472 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10220300406 its reverse (60400302201), we get a palindrome (70620602607).

The spelling of 10220300406 in words is "ten billion, two hundred twenty million, three hundred thousand, four hundred six".

Divisors: 1 2 3 6 9 18 567794467 1135588934 1703383401 3406766802 5110150203 10220300406