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290860260472 = 23431038208971
BaseRepresentation
bin1000011101110001001…
…11110101110001111000
31000210202112220011010201
410032320213311301320
514231140211313342
6341341440451544
730004534264405
oct4167047656170
91023675804121
10290860260472
11102398041761
1248454619bb4
1321574432a02
14101133532ac
1578750ccdb7
hex43b89f5c78

290860260472 has 32 divisors (see below), whose sum is σ = 563463838080. Its totient is φ = 140668909920.

The previous prime is 290860260469. The next prime is 290860260473. The reversal of 290860260472 is 274062068092.

It is a super-2 number, since 2×2908602604722 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290860260473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4069054 + ... + 4139917.

It is an arithmetic number, because the mean of its divisors is an integer number (17608244940).

Almost surely, 2290860260472 is an apocalyptic number.

It is an amenable number.

290860260472 is a deficient number, since it is larger than the sum of its proper divisors (272603577608).

290860260472 is a wasteful number, since it uses less digits than its factorization.

290860260472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209123 (or 8209119 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 290860260472 in words is "two hundred ninety billion, eight hundred sixty million, two hundred sixty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 43 86 103 172 206 344 412 824 4429 8858 17716 35432 8208971 16417942 32835884 65671768 352985753 705971506 845524013 1411943012 1691048026 2823886024 3382096052 6764192104 36357532559 72715065118 145430130236 290860260472