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258838416742 = 29712831039921
BaseRepresentation
bin1111000100001111111…
…0001100110101100110
3220202002220010221120111
43301003332030311212
513220100113313432
6314524141323234
724462154145413
oct3610376146546
9822086127514
10258838416742
119a8555a15a4
12421b856651a
131b540215b99
14c7565a510a
156aedc29347
hex3c43f8cd66

258838416742 has 16 divisors (see below), whose sum is σ = 392566395312. Its totient is φ = 127985034240.

The previous prime is 258838416719. The next prime is 258838416799. The reversal of 258838416742 is 247614838852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271059 + ... + 768862.

It is an arithmetic number, because the mean of its divisors is an integer number (24535399707).

Almost surely, 2258838416742 is an apocalyptic number.

258838416742 is a deficient number, since it is larger than the sum of its proper divisors (133727978570).

258838416742 is a wasteful number, since it uses less digits than its factorization.

258838416742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041303.

The product of its digits is 20643840, while the sum is 58.

The spelling of 258838416742 in words is "two hundred fifty-eight billion, eight hundred thirty-eight million, four hundred sixteen thousand, seven hundred forty-two".

Divisors: 1 2 97 194 1283 2566 124451 248902 1039921 2079842 100872337 201744674 1334218643 2668437286 129419208371 258838416742