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242718601790 = 2574773774651
BaseRepresentation
bin1110001000001100100…
…1111111001000111110
3212012111110212111120002
43202003021333020332
512434041430224130
6303300421554302
723351536034360
oct3420311771076
9765443774502
10242718601790
1193a33360a85
123b059b75992
1319b7169c042
14ba67764d30
1564a8967b45
hex388327f23e

242718601790 has 32 divisors (see below), whose sum is σ = 509930394624. Its totient is φ = 81447213600.

The previous prime is 242718601757. The next prime is 242718601817. The reversal of 242718601790 is 97106817242.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 36884036 + ... + 36890615.

It is an arithmetic number, because the mean of its divisors is an integer number (15935324832).

Almost surely, 2242718601790 is an apocalyptic number.

242718601790 is an abundant number, since it is smaller than the sum of its proper divisors (267211792834).

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

242718601790 is a wasteful number, since it uses less digits than its factorization.

242718601790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73774712.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 242718601790 in words is "two hundred forty-two billion, seven hundred eighteen million, six hundred one thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 73774651 147549302 368873255 516422557 737746510 1032845114 2582112785 3467408597 5164225570 6934817194 17337042985 24271860179 34674085970 48543720358 121359300895 242718601790