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211313313310 = 25113751919733
BaseRepresentation
bin1100010011001101000…
…0010100011000011110
3202012102210021112210111
43010303100110120132
511430232202011220
6241024225400234
721160353345511
oct3046320243036
9665383245714
10211313313310
1181687946a10
1234b5449907a
1316c081262c8
14a32882cd78
15576b7a215a
hex313341461e

211313313310 has 32 divisors (see below), whose sum is σ = 426157176672. Its totient is φ = 74764414080.

The previous prime is 211313313307. The next prime is 211313313331. The reversal of 211313313310 is 13313313112.

It is a super-2 number, since 2×2113133133102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25955797 + ... + 25963936.

It is an arithmetic number, because the mean of its divisors is an integer number (13317411771).

Almost surely, 2211313313310 is an apocalyptic number.

211313313310 is an abundant number, since it is smaller than the sum of its proper divisors (214843863362).

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

211313313310 is a wasteful number, since it uses less digits than its factorization.

211313313310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51919788.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 211313313310 its reverse (13313313112), we get a palindrome (224626626422).

The spelling of 211313313310 in words is "two hundred eleven billion, three hundred thirteen million, three hundred thirteen thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 51919733 103839466 259598665 519197330 571117063 1142234126 1921030121 2855585315 3842060242 5711170630 9605150605 19210301210 21131331331 42262662662 105656656655 211313313310