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10213212210 = 235340440407
BaseRepresentation
bin10011000001100000…
…10100000000110010
3222100202221221021220
421200300110000302
5131404040242320
64405240325510
7511043604615
oct114060240062
928322857256
1010213212210
114371101553
121b90473896
13c69c1c446
146cc5c417c
153eb976e40
hex260c14032

10213212210 has 16 divisors (see below), whose sum is σ = 24511709376. Its totient is φ = 2723523248.

The previous prime is 10213212203. The next prime is 10213212259. The reversal of 10213212210 is 1221231201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10213212210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170220174 + ... + 170220233.

It is an arithmetic number, because the mean of its divisors is an integer number (1531981836).

Almost surely, 210213212210 is an apocalyptic number.

10213212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10213212210 is an abundant number, since it is smaller than the sum of its proper divisors (14298497166).

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

10213212210 is a wasteful number, since it uses less digits than its factorization.

10213212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340440417.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10213212210 its reverse (1221231201), we get a palindrome (11434443411).

The spelling of 10213212210 in words is "ten billion, two hundred thirteen million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 340440407 680880814 1021321221 1702202035 2042642442 3404404070 5106606105 10213212210