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289137026742 = 231491301248593
BaseRepresentation
bin1000011010100011110…
…10001110011010110110
31000122022110022210212020
410031101322032122312
514214123034323432
6340454441534010
726614041114354
oct4152172163266
91018273283766
10289137026742
1110169334a753
12480534a4306
132135b410195
14ddcc5407d4
1577c3b8a22c
hex4351e8e6b6

289137026742 has 32 divisors (see below), whose sum is σ = 582604898400. Its totient is φ = 95658201600.

The previous prime is 289137026707. The next prime is 289137026777. The reversal of 289137026742 is 247620731982.

It is an interprime number because it is at equal distance from previous prime (289137026707) and next prime (289137026777).

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, 1038798 + ... + 1287390.

It is an arithmetic number, because the mean of its divisors is an integer number (18206403075).

Almost surely, 2289137026742 is an apocalyptic number.

289137026742 is an abundant number, since it is smaller than the sum of its proper divisors (293467871658).

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

289137026742 is a wasteful number, since it uses less digits than its factorization.

289137026742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250048.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 289137026742 in words is "two hundred eighty-nine billion, one hundred thirty-seven million, twenty-six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 149 298 447 894 1301 2602 3903 7806 193849 248593 387698 497186 581547 745779 1163094 1491558 37040357 74080714 111121071 222242142 323419493 646838986 970258479 1940516958 48189504457 96379008914 144568513371 289137026742