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212051012654 = 21316365217673
BaseRepresentation
bin1100010101111100111…
…0011010110000101110
3202021100012101120001102
43011133032122300232
511433240024401104
6241225341043102
721214551603455
oct3053716326056
9667305346042
10212051012654
1181a262a5398
123511b556492
1316cc4c04cb0
14a3987bbb9c
1557b141ea1e
hex315f39ac2e

212051012654 has 32 divisors (see below), whose sum is σ = 344743215264. Its totient is φ = 97241679360.

The previous prime is 212051012633. The next prime is 212051012669. The reversal of 212051012654 is 456210150212.

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, 27632162 + ... + 27639834.

It is an arithmetic number, because the mean of its divisors is an integer number (10773225477).

Almost surely, 2212051012654 is an apocalyptic number.

212051012654 is a deficient number, since it is larger than the sum of its proper divisors (132692202610).

212051012654 is a wasteful number, since it uses less digits than its factorization.

212051012654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 212051012654 its reverse (456210150212), we get a palindrome (668261162866).

The spelling of 212051012654 in words is "two hundred twelve billion, fifty-one million, twelve thousand, six hundred fifty-four".

Divisors: 1 2 13 26 163 326 2119 4238 6521 7673 13042 15346 84773 99749 169546 199498 1062923 1250699 2125846 2501398 13817999 16259087 27635998 32518174 50035633 100071266 650463229 1300926458 8155808179 16311616358 106025506327 212051012654