Search a number
-
+
10210211001220 = 2251926868976319
BaseRepresentation
bin1001010010010011111111…
…1111111111001110000100
31100011002100011022112201011
42110210333333333032010
52314241003004014340
633414301200212004
72102443355360206
oct224447777771604
940132304275634
1010210211001220
113287142a265aa
12118a98300a004
13590a84aa1649
142742693ba776
1512a8cea540ea
hex9493ffff384

10210211001220 has 24 divisors (see below), whose sum is σ = 22569940108800. Its totient is φ = 3869132589792.

The previous prime is 10210211001127. The next prime is 10210211001223. The reversal of 10210211001220 is 2210011201201.

It is a self number, because there is not a number n which added to its sum of digits gives 10210211001220.

It is not an unprimeable number, because it can be changed into a prime (10210211001223) 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, 13434487780 + ... + 13434488539.

It is an arithmetic number, because the mean of its divisors is an integer number (940414171200).

Almost surely, 210210211001220 is an apocalyptic number.

10210211001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210211001220 is an abundant number, since it is smaller than the sum of its proper divisors (12359729107580).

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

10210211001220 is a wasteful number, since it uses less digits than its factorization.

10210211001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26868976347 (or 26868976345 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210211001220 its reverse (2210011201201), we get a palindrome (12420222202421).

The spelling of 10210211001220 in words is "ten trillion, two hundred ten billion, two hundred eleven million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 26868976319 53737952638 107475905276 134344881595 268689763190 510510550061 537379526380 1021021100122 2042042200244 2552552750305 5105105500610 10210211001220