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213210230031210 = 23517655436378397
BaseRepresentation
bin110000011110100111100000…
…000001100000001101101010
31000221220200212112000200222010
4300132213200001200031222
5210421214022341444320
62033243232201140350
762623634155011126
oct6036474001401552
91027820775020863
10213210230031210
1161a31a50523095
121bab56a278a6b6
1391c783b7c4169
143a9160464c586
15199b149d45ae0
hexc1e9e006036a

213210230031210 has 64 divisors (see below), whose sum is σ = 541813171191552. Its totient is φ = 53510762320896.

The previous prime is 213210230031203. The next prime is 213210230031229. The reversal of 213210230031210 is 12130032012312.

It is a super-2 number, since 2×2132102300312102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30237732 + ... + 36616128.

It is an arithmetic number, because the mean of its divisors is an integer number (8465830799868).

Almost surely, 2213210230031210 is an apocalyptic number.

213210230031210 is an abundant number, since it is smaller than the sum of its proper divisors (328602941160342).

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

213210230031210 is a wasteful number, since it uses less digits than its factorization.

213210230031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443967.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213210230031210 its reverse (12130032012312), we get a palindrome (225340262043522).

The spelling of 213210230031210 in words is "two hundred thirteen trillion, two hundred ten billion, two hundred thirty million, thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 65543 131086 196629 327715 393258 655430 983145 1114231 1966290 2228462 3342693 5571155 6378397 6685386 11142310 12756794 16713465 19135191 31891985 33426930 38270382 63783970 95675955 108432749 191351910 216865498 325298247 542163745 650596494 1084327490 1626491235 3252982470 418059274571 836118549142 1254177823713 2090296372855 2508355647426 4180592745710 6270889118565 7107007667707 12541778237130 14214015335414 21321023003121 35535038338535 42642046006242 71070076677070 106605115015605 213210230031210