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10220031300 = 22352142723873
BaseRepresentation
bin10011000010010100…
…10100110101000100
3222101020210101022210
421201022110311010
5131412312000200
64410042423420
7511155555423
oct114112246504
928336711283
1010220031300
114374a39866
121b92801b70
13c6b4691cb
146cd47b2ba
153ec372650
hex261294d44

10220031300 has 72 divisors (see below), whose sum is σ = 29591918496. Its totient is φ = 2723317760.

The previous prime is 10220031293. The next prime is 10220031319. The reversal of 10220031300 is 313002201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416164 + ... + 440036.

It is an arithmetic number, because the mean of its divisors is an integer number (410998868).

Almost surely, 210220031300 is an apocalyptic number.

10220031300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220031300 is an abundant number, since it is smaller than the sum of its proper divisors (19371887196).

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

10220031300 is a wasteful number, since it uses less digits than its factorization.

10220031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25317 (or 25310 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10220031300 its reverse (313002201), we get a palindrome (10533033501).

The spelling of 10220031300 in words is "ten billion, two hundred twenty million, thirty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1427 2854 4281 5708 7135 8562 14270 17124 21405 23873 28540 35675 42810 47746 71350 71619 85620 95492 107025 119365 142700 143238 214050 238730 286476 358095 428100 477460 596825 716190 1193650 1432380 1790475 2387300 3580950 7161900 34066771 68133542 102200313 136267084 170333855 204400626 340667710 408801252 511001565 681335420 851669275 1022003130 1703338550 2044006260 2555007825 3406677100 5110015650 10220031300