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2688842130438 = 234189310697261
BaseRepresentation
bin100111001000001011011…
…110101110010000000110
3100112001101000211202010210
4213020023132232100012
5323023222041133223
65415123110300250
7365156005001442
oct47101336562006
910461330752123
102688842130438
11947371314982
12375147957686
13166731180b19
14941d7d4b822
1549e2270e893
hex2720b7ae406

2688842130438 has 16 divisors (see below), whose sum is σ = 5377813130736. Its totient is φ = 896259231840.

The previous prime is 2688842130421. The next prime is 2688842130449. The reversal of 2688842130438 is 8340312488862.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5097273 + ... + 5599988.

It is an arithmetic number, because the mean of its divisors is an integer number (336113320671).

Almost surely, 22688842130438 is an apocalyptic number.

2688842130438 is an abundant number, since it is smaller than the sum of its proper divisors (2688971000298).

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

2688842130438 is a wasteful number, since it uses less digits than its factorization.

2688842130438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739159.

The product of its (nonzero) digits is 14155776, while the sum is 57.

The spelling of 2688842130438 in words is "two trillion, six hundred eighty-eight billion, eight hundred forty-two million, one hundred thirty thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 41893 83786 125679 251358 10697261 21394522 32091783 64183566 448140355073 896280710146 1344421065219 2688842130438