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212051012622 = 23199259368491
BaseRepresentation
bin1100010101111100111…
…0011010110000001110
3202021100012101120000020
43011133032122300032
511433240024400442
6241225341043010
721214551603411
oct3053716326016
9667305346006
10212051012622
1181a262a5369
123511b556466
1316cc4c04c87
14a3987bbb78
1557b141e9ec
hex315f39ac0e

212051012622 has 32 divisors (see below), whose sum is σ = 426403795200. Its totient is φ = 70300327680.

The previous prime is 212051012611. The next prime is 212051012623. The reversal of 212051012622 is 226210150212.

It is a junction number, because it is equal to n+sod(n) for n = 212051012592 and 212051012601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212051012623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061797 + ... + 3130287.

It is an arithmetic number, because the mean of its divisors is an integer number (13325118600).

Almost surely, 2212051012622 is an apocalyptic number.

212051012622 is an abundant number, since it is smaller than the sum of its proper divisors (214352782578).

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

212051012622 is a wasteful number, since it uses less digits than its factorization.

212051012622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71288.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 212051012622 its reverse (226210150212), we get a palindrome (438261162834).

The spelling of 212051012622 in words is "two hundred twelve billion, fifty-one million, twelve thousand, six hundred twenty-two".

Divisors: 1 2 3 6 199 398 597 1194 2593 5186 7779 15558 68491 136982 205473 410946 516007 1032014 1548021 3096042 13629709 27259418 40889127 81778254 177597163 355194326 532791489 1065582978 35341835437 70683670874 106025506311 212051012622